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Design accord with API 6A Norm; Body of valve with valve lids, Flashboard with valve set according to needs adopt metal with metal seal up or nonmetal seal up, Valve rod and valve lid between with fall seal up convenient for valve bring press replacing valve stem packing, Dense cover built-up welding hard alloy,Endures cauterization, Endures impact.

设计符合 API 6A 规范；阀体与阀盖、闸板与阀座根据需要采用金属与金属密封或非金属密封，阀杆和阀盖间设有倒密封便于阀的带压更换阀杆填料，密封面堆焊硬质合金，耐腐蚀、耐冲击。

Hungry don't choose food of we point comprehensive chafing dish, make bosom not disorderly of father give sharp advice preemptive, claim help a villain do evil to take a knife foolish display of skill before expert waitress, hurry Jiao rabbit dead the henchman boil, because corpse vegetable meal of we a son early add oil to add vinegar to complete, wait for chafing dish hurry up Chen2 Yu2 La4 's wild goose good contend for Central plains, regrettable the pot cover be too small, have a little desire cover Mi soup after anticipate seethe, hot get so happy as to forget home and duty of we hurriedly take off clothing to push food very big righteousness to put out close top and bottom its hand, round up all at one fell swoop to get a water rockslide .

饥不择食的我们点了综合火锅，作怀不乱的爸爸当头棒喝先发制人，请求为虎作伥拿着刀子班门弄斧的女服务生，快点将狡兔死走狗烹，因为尸位素餐的我们一家子早就添油加醋完毕，就等着火锅赶快沈鱼落雁好问鼎中原，可惜锅盖太小，有点欲盖弥汤料沸腾后，热得乐不思蜀的我们赶紧解衣推食好大义灭亲上下其手，一网打尽捞个水落石出。

When reached logarithm growth phase, it was poured or the medium was removed. 5 mL medium containing 10 mg/L mitocin-C was added , kept at 37 ℃, and then cultured in saturated humidity warm box with the CO2 of 0.05 fraction volume for 2 or 3 hours. It was coated with 0.1% gelatin in 6-hole plate, laid for over 30 minutes, and then threw away or the medium with mitocin-C was removed, washed with phosptat buffer for 5 times so as to remove the mitocin-C. 2 mL 0.05% trypsin digestive cells were added, and it was observed under microscope. When crevice appeared, cells became round (about 2－4 minutes), digestion was stopped by adding medium of the same volume, and blew up with straws repetitively to make it into monoplast suspension. Special-used cover glass was put in the center of cell counting chamber. Cells were sucked in by glass siphon, and cell suspension flew out at bucket of up or down-sides of counting chamber, until the cover glass was filled with fluid. Living cell were inoculated at concentrations of 3×108, 5×108, 1×109 L－1 after their number counted.

选取2～5代的小鼠胚胎成纤维细胞，待其至对数生长期倒掉或吸掉培养基，加入含10 mg/L丝裂霉素C的细胞全培养液5 mL，置37 ℃，体积分数0.05的CO2饱和湿度温箱中培养二三小时，在6孔板中加入0.1%明胶包被，放置30 min以上，倒掉或吸掉含丝裂霉素C的培养基，磷酸盐缓冲液清洗5遍，尽量除去丝裂霉素C，加入2 mL 0.05%的胰蛋白酶消化细胞，镜下观察，当细胞间出现裂隙，细胞变圆时（约2～4 min），立即加入等量的全培养液终止消化，并用吸管反复吹打，使之成为单细胞悬液，在细胞计数板中央放置专用的盖玻片，用玻璃虹吸管吸取细胞，让虹吸管在盖玻片上或下侧的计数板凹槽处流出悬液，至盖玻片下被液体充满为止。

Accordance with volume of biogas actually using requirement so that actualize supporting facilities, it can keep the pressure contant of biogas using for long time, the floating cover upside of body be pressurized, when the floating cover biogas digester fermenting to produce biogas will drive the soft PVC floating cover rising up with biogas storage, if user make use of biogas in case of biogas stove which the biogas pressure will be drop below in conjunction with floating cover will synchronous drop, when the floating cover has full of biogas which supernumerary of biogas automatic overflow to outside from bottom side of floating cover, it can not be appear with over high pressure thereby cause the tympanites of floating cove burst or biogas pipe burst and never has such phenomenon happen, the floating cove type biogas digester has reliable safe security.

根据沼气实际使用需求用量来做相应配置，可以保持长期在恒压状态沼气气压，浮罩顶部是密封的，当浮罩式沼气池发酵时所产生的沼气使浮罩上升并储存沼气，如果用户在用沼气炉灶用气时沼气压力将随之下降的同时浮罩也随着气压的下降而降低，当浮罩充满沼气时多余的沼气会自动从浮罩底部溢出，不会出现因气压过高造成鼓池、爆裂或爆管现象发生。浮罩式沼气池具有非常可靠的安全保障。

At the due time, she wore a red veil over her head and cautioned her wedding attendants to cover up with red cloth whatever stone tablets or tree stumps on her way to Zhou's house, for evil spirits are afraid of red things.

出阁的时候，她头上盖了个红色的盖头，并且提醒所有陪亲送轿的人一路上都要披红色的布，不管遇到石头还是树桩子都不要取下，直到周公的住所。

Maulvi Muhammad Omar, a spokesman for Pakistani Taliban commander Baitullah Mehsud, told reporters in Peshawar on phone from an undisclosed location that the government was trying to implicate Mehsud to cover up its "failure" to provide security to Bhutto.

毛尔维·穆罕默德·奥马尔，是塔利班在巴基斯坦组织的指挥官巴依图拉·默苏德的发言人。在一个未知的地点，打电话告诉在白沙瓦的记者们：政府努力把矛头导向默苏德，是为了掩盖政府未能很好保护布托方面的失职。

The book goes on to depict the city's occupation, the judgment day for Japanese war criminals, the cover-up perpetrated by Japanese textbooks, and Japan's self-imposed censorship.

1997年出版的《南京暴行》在一个月内就打入美国最受重视的《纽约时报》畅销书排行榜，并被评为年度最受读者喜爱的书籍。

Lid landing gear box body is formed with the motor gearbox. When the furnace cover needs opening , simply press the button in the control box then the furnace cover will descend at a uniform speed .For the sake of safety ,two movements institutions tops trip switch are mounted in the carburizing EAF .When the furnace cover is ascending , the lower movements institutions tops trip switch will automatically cut off the seepage carbon EAF control cabinet main circuit power supply, forcing the heating elements stop working since the power is cut off, The upper switch is used to restrict the height of the movements axis ,it can prevent the movements pumped up too high to cause theelevating screw abscisicing from the gear box.

炉盖升降机构由电机齿轮箱组成，当需要开启炉盖时，只需按下控制箱上的按组，炉盖即以均速上升下降，为了安全起见，在渗碳电炉升降机构上装设有两个行程开关，当炉盖上升时，下边的行程开关自动切断渗碳电炉控制柜主回路电源，使加热元件断电停止工作，上边的行程开关则限制升降轴升起的高度，以防升降抽升起过高，升降丝杆脱出齿轮箱。

China was heavily criticised for its slow and disorganised response to the Sars outbreak in 2003, which the government initially tried to cover up.

2003非典爆发时，中国因为反应迟缓和组织混乱而受到强烈的批评。政府刚开始时试图掩盖疫情。

MSc Atmospheric Sciences has 4 NERC studentships associated with it. MSc Climate Change has 4 NERC studentships associated with it.International applicants only eligible for ISF scholarships which cover up to 50% of tuition fees.

概述：大气科学研究奖学金有4个全国环境研究委员会奖学金，气候变化研究生奖学金有4个全国环境研究委员会奖学金，国际生只有资格申请国际生基金，有学费的一半。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。