查询词典 shell-lac

The next generation of Shell Tellus hydraulic oils builds on Shell′s worldwide experience in lubricant technology.

壳牌先进的润滑科技，世界范围的实践经验，造就了壳牌新一代得力士液压油系列产品。

The motor shell includes the motor for providing rotary movement for toolholder, and motor shell can be screw-combined with regulating ring.

电动机机壳包括有用于为刀夹提供旋转运动的电动机，机壳可与调节环螺纹式地接合。

Pump cavity and tooth wear shell after shell pump cavity and repair of worn teeth, a great impact on the fuel pump.

泵壳内腔与轮齿磨损后的修复泵壳内腔与轮齿磨损后，对水泵油量影响很大。

Pump c**ity and tooth wear shell after shell pump c**ity and repair of worn teeth, a great impact on the fuel pump.

泵壳内腔与轮齿磨损后的修复泵壳内腔与轮齿磨损后，对水泵油量影响很大。

We specialize in development and produce of gemstone,have steady business relationship with lots of suppliers all over the world.we mainly offer:crystal,Red coral,white shell,natural tophus,cat eyes,shell pearl,and etc......

广州雄兴珠宝首饰有限公司是一家专业珠宝批发商，集各国宝石原料开发、生产于一体。主要经营各国水晶、红珊瑚、天然松石、猫眼石、贝珍珠、不定形以及其他各种宝石等

The result of whole mount in situ hybridization showed that MmeFer was located at the position of shell initiation in trochophore stage, indicating MmeFer plays a role in shell initiation in M. meretrix. The full-length of M. meretrix cathepsin B cDNA was cloned with 3'and 5'RACE. The temporal and spatial expressions of MmeCB mRNA were examined from trochophore to post larva stages by whole mount in situ hybridization. From L2 to L4 stages, MmeCB mRNA was detected in the digestive tract, suggesting a possible role of MmeCB in digestion.

根据构建的文蛤幼虫cDNA文库中提供的序列信息，从文蛤中克隆了与铁离子代谢密切相关的铁蛋白的全长cDNA序列；通过Real time PCR发现，MmeFer mRNA的表达量在贝壳形成前后有明显改变；整体原位杂交结果显示MmeFer mRNA在L1期的表达部位刚好是贝壳生成的起始部位，推断文蛤铁蛋白与文蛤幼虫贝壳初始形成密切相关。

Zoologythe shell or integument of some invertebrates and protozoans, especially the chalky shell of a foraminiferan or the tough outer layer of a tunicate

动（一些无脊椎动物和原生动物的）甲壳；介壳；被囊

The main points are as follows:The interior ballistic experiments of rocket shell launching are conducted and the experimental data, including the pressure at the wall of rocket launching tube and the initial velocity of rocket shell, are obtained.

主要内容如下： 1进行了火箭弹发射的内弹道试验，测量得到了发射管壁面处的压力时间曲线、弹丸的炮口初速。

Watchcase with gold-plated or stainless steel shell pretending K gold shell, it only play 18K , but can not play icon could feel his hands on both the proportion of not the same.

表壳镀金或不锈钢壳冒充K金壳，只担当18K金，但不能播放图标都可以感受到的比例不一样，他的手。

The strength deck,botom,and side shell of a ship act as a box girder in resisting bending and other loads imposed on the structure .the weather deck, bottom ,and side shell also form a fight envelope to withstand the sea locally, and to provide the buoyancy which keeps the ship afloat.

船舶在抵抗弯曲和其他强加在结构上的负荷时，强力甲板、船底和船侧构成一根箱形梁。露天甲板、船底和船侧也构成一个框架局部承受海水压力，并且提供使船舶浮在水面的浮力。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。