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This kind of chain block can work in set with single rail trolley to form a small hoisting car travelling on single rail for overhead conveyance and can also work in set with single beam crane and cantilever crane.

该系列手拉葫芦可与单轨行车配套使用组成起重运输小车，用于单轨架空运输，或用于手动单梁起重机和悬臂式起重机。

SBL-5: single and single-roll five three-roll combination models, this model than SBL-4 March 5 more than two sets of roller traction, the major manufacturers use of single lines and the importation of equipment, set the length of all home; Feedback combining the experience of each other, after hard of concentrated study and repeated experiments, developed a new type of unit, a multi-purpose machine, with the thickness width can be arbitrarily regulated, transparent belts, and can produce a variety of belt .

SBL-5型：单五辊和单三辊组合机型，这种机型比SBL-4型多2套三五辊牵引，运用各大厂家单机生产线和进口设备，集众家之长；结合用户反馈的经验，取长补短，经过辛勤的潜心研究和反复试验，研制出的一种新型机组，可一机多用，带的厚薄宽窄可以随意调节，透明带以及各种各样的带都能生产。

The results indicated that visitors' activities caused a serious influence on the soil in the park, especially in the two most used scenic spots-Yellowstone Village and Gold Whip Stream. The impact of tourism on soil mainly occurred within 3 m along the trails. The impact shapes are classified into six type as single-sided node type, double-sided node type, cross node type, single-sided linkage type, double-sided linkage type and short-cut linkage type. Of six types of impact shapes, the single-sided node type and double-sided type were dominant. The average water contents of soil for six scenic spots at sample areas of 1 m, 2 m and 3 m from trial is 36.6%, 24.5% and 2.2% lower than that of the control area, respectively. The average soil hardness for six scenic spots at 1m, 2 m, and 3m from the trails tramped increased 167.9%, and 122.2%, and 15.8%, respectively, compared with the control area. Soil bulk density increased 26.5% at 1 m and 20.9% at 2 m from the trails.

结果表明：游客活动对张家界世界地质公园土壤产生了较大的影响，特别是在游客相对集中的黄石寨景区和金鞭溪景区，影响十分明显；游客对土壤影响的范围主要发生在距游道两侧3米以内的范围；公园内土壤影响形态可分为单侧节型、双侧节型、单侧链型、双侧链型、十字节型和捷径链型6种类型，其中又以单侧节型和双侧节型为主；在六个景区中，距游道边缘1米、2米及3米范围内土壤的平均含水率较对照区分别低了36.6%、24.5%和2.2%；与对照区相比，距游道边缘1米、2米及3米的土壤硬度分别增加了167.9%、122.2%和15.8%，而距游道边缘1米和2米范围内的土壤容重则分别比对照区增加了26.5%和20.9%。

Single color plate,8 colors +white light, single step and wheel movement,fast single way rainbow effect,and tunable speed

单色盘，8种色彩+白光，可单步运动，可流水运动，可高速单向彩虹效果，且速度可调。

The development of the Company in Shenzhen have been seven or eight years, the company funds the strength of Division I professional production: bubble bag, steam beads BAG and EPE manufacturers produce a wide range of steam beads packing material (single surface bubble sheet; double-sided bubble sheet; single bubble bag; double bubble bag; single / double-sided bubble BAG organ; Quartet BAG) and EPE packing material (pearl cotton sheet; EPE BAG; EPE laminating bag, EPE composite bubble) all kinds of plastic bags and so on.

本公司在深圳发展已有七、八年，公司资金实力雄厚，我司是专业生产：汽泡袋，汽珠袋）与珍珠棉的厂家，可生产各式各样的汽珠包装材料（单面汽泡片材；双面汽泡片材；单面汽泡袋；双面汽泡袋；单/双面风琴汽泡袋；四方袋）和珍珠棉包装材料（珍珠棉片材；珍珠棉袋；珍珠棉复膜袋，汽泡复合珍珠棉）各种胶袋等。

Under the conditions of keeping other design parameters constant, design thickness of valve flap increases with the mass increment on single wheel spring of the vehicle; throttle gap of oil-air spring is in linear decrement relationship with mass on single wheel spring. For each mass increment of 100kg on tested single wheel spring, design thickness of throttle valve flap will increase by 0.007mm and the throttle gap will decrease by 0.001mm.

在其它设计参数保持不变的情况下，阀片设计厚度随车辆单轮簧上质量的增加而增加；油气弹簧节流缝隙与单轮簧上质量成线性递减关系；试验的单轮簧上质量每增加100kg则节流阀片设计厚度将增加0.007mm，节流缝隙将减小0.001mm。

objective:to explore the effects of out cavity single slip knot technique in non titanium clip two hole method laparoscopic cholecystectomy.methods:to analyzed the clinical data of 62 patients underwent two hole method lc with out cavity single slip knot technique.results:all the operations were finished successfully without conversion.the mean operation time and hospitalization were 55 min and 4d respectively.conclusions:the two hole lc with out cavity single slip knot technique has the advantage of firm and reliable ligation,low operation expense,non titanium clip stay in the body,and avoiding of bile leakage due to titanium clip falling off.

目的：探讨腔外单滑结技术在无钛夹二孔法腹腔镜胆囊切除术中的效果。方法：应用腔外单滑结技术行二孔法lc 62例。结果：患者均行lc，无中转开腹，手术平均时间55min，平均住院4d。结论：无钛夹腔外单滑结法lc具有结扎可靠，手术费用低，并可消除因钛夹留置体内或夹闭不全造成脱落、胆漏等其他并发症。

Is the national professional full-scale production of various high-quality yarn and finished products line, using domestic raw materials of yarn production of the famous single-wire, and imports of raw materials used single-wire the United States and Taiwan DuPont Nylon from the single-Sijia, Guangzhou is now the textile products through product quality supervision and inspection center testing, our product is non-AZO azo elements.

顺欣线业有限公司是国内专业全面生产各种高品质纱线和成品线，国产线纱原料采用国内知名企业生产的单丝；进口原料采用美国杜邦单丝和台湾耐隆单丝加工而成，产品现已通过广州纺织产品质量监督检测中心测试，我们的产品不含AZO偶氮元素。

To meet the demand of high-density and high-speed for split-row feed for soybean, we developed one single-wheel, single chamber and high-speed pneumatic feed , that is applicable for single and split row precision drilling for soybean.

为了满足大豆双条高密度和高速播种的要求，研制了既适合于单条精密播种又适合大豆双条精密播种的单盘、单种室高速气吸式排种器，并对播种盘的型孔参数进行了详细地理论分析和计算。

The MAX4641/MAX4642/MAX4643 are monolithic, dual, single-pole/single-throw switches that can operate from a single supply ranging from +1.8V to +5.5V. The MAX4641/MAX4642/MAX4643 provide low 4 on-resis- tance, 0.6 RON matching between channels, and 1 RON flatness over the entire analog signal range.

MAX4641/MAX4642/MAX4643是铁板一块的，双，单掷开关，可以从一个单一的经营范围从+1.8 V至+5.5供应五MAX4641/MAX4642/MAX4643提供的低4Ω上电阻，0.6Ω通道间匹配的辛烷值，并1Ω在整个模拟信号范围辛烷值平坦。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。