As the hatch slowly closes, the weight rises inside a section of PVC pipe.
随着出口板缓慢合上，一截PV c管内的重量也增加。
Make sure that the weight and flexible force of pipe do not act on pump directly while installing pipe.
安装管路时，必须使管路重量、弹性力等不得直接加在水泵上。
What is the drill pipe string weight in air?
钻杆在空气中的重量是多少？
In ordinary stripping operations, the pipe falls into the wellbore under its own weight, and no additional downward force or pushing is required.
在平常的不压井起下钻作业中，管柱下入井眼是依靠其自身重量，不需要附加的向下载荷或者推力。
Current quotation process for hydrogenation reactor has been analyzed and the main affecting factor is the weight of pipe flange and the internals of the reactor.
对目前加氢反应器的报价过程进行了分析，发现其主要影响因素是反应器的接管法兰和内构件的重量。
With the traditional electric pipe threader than light weight.
与传统的电动套丝机相比，重量轻。
The backflow preventer must be supported and is not designed to carry full weight of the stand pipe.
防回流阀必须有所支撑，不能用于承载立管的全部重量。
The simulation and practical results show that the titanium thin pipe of a uniform wall thickness, equal strength and light weight is achieved by using the above optimized parameters.
模拟和实际结果表明，采用上述参数可获得壁厚均匀，等强度，轻重量的薄壁钛环形管。
Features: Concrete weight coating is used to provide pipe stability on the sea bed as well as superior mechanical protection.
涂层特性：混凝土配重使管道能够稳定地保持在海床上，同时为管道提供有效的机械保护。
Naturally, anytime a pipe item is created, deleted, or altered, the weight and CG of the complete product model is updated immediately without user intervention.
在任何时候，一个管道项目被创建、删除或者修改了，整个产品模型的重量和重心都会在不需用户干预的情况下马上更新。
The strengthening pipe is light in weight, high in strength, protective for environment, and beautiful in appearance.
本实用新型是一种重量较轻、强度较高且环保、美观的加强管材。
Polyethylene pipe is highly evaluated in industrial area because of its property such as light weight, flexibility and easy installation work.
聚乙烯管道由于它重量轻，柔韧性好，易于安装，而使它在工业领域得到了高度评价。
The branches of one willow changed the shape of the steel fence, either used its weight, or its life power, or both, though a steel pipe was installed on the top of the fence.
其中一颗树的几根大树枝用重量、或者生命力、或者两者并用，改变了钢丝篱笆的形状，尽管钢丝篱笆的顶部有一根钢管。
When material passes through a floating weighing pipe, the weighing sensor transmits the signal to the computer, and therefore, the weight value is displayed.
当物料经过浮动称重管时，称重传感器把信号传计算机，显示出重量数值。
A small amount of high molecular weight HDPE was added into relative low molecular weight HDPE under compound stress field to extrude pipe.
将少量相对高分子量的高密度聚乙烯(HDPE)加入到相对低分子量的通用级HDPE中，在复合应力场作用下挤出制成管材。
A method to calculate the weight of pipe flange and the internals of hydrogenation reactor has been obtained on the basis of a large number of analyzed data.
通过对大量数据的归纳分析，找到了一套接管法兰和内构件重量的计算方法。
Analytical calculation shows that thanks to the improved measurement method, the pipe end squreness can be precisely checked by either the steel square or the wire weight.
分析计算证明，采用改进后的测量方法，则可以用直角尺或线锤测量出准确的钢管管端切斜尺寸。
The combination of pipe network data analysis using the AHP method to determine the evaluation process as a factor for weight method.
结合管网漏损数据分析，确定使用AHP法作为评价过程中因子权重的获取方法。
Integral spiral heavy weight drill pipe is to extend the central upset of heavy weight drill pipe and to cut spiral groove on heavy weight drill pipe.
整体螺旋加重钻杆是在整体加重钻杆的中间加厚部位延长并铣削螺旋槽。
A gun body is a circular straight pipe which can be convenient to be fully sealed, however, it has the advantages of small appearance, light in weight and long lifetime.
枪体是圆形直管型，可以方便的进行全密封，而且外形小，重量轻，寿命长。
According to the clients' needs, the weight of each box containing the copper pipe must be reduced, and improve the intensity of each box.
按客户要求减少铜管装箱重量（控制在500～800Kg），以便相对增加木箱强度；
When picking up drill pipe, visually check each joint of pipe picked up to be sure it is in proper sequence according to weight, grade and class as designed.
串接钻具时，要按照设计逐根检查，以便确认每个单根的重量、钢级和下井顺序正确无误。
PVC-U plastic pipe has the character of corrosion resistance, no-scale, light weight and long service life.
塑料管具有耐腐蚀、不结垢、质量轻、使用寿命长等特点。
The pipe has light weight, high strength and quick heat transfer, and is superior to the prior structural copper pipe in economic benefit, service life and the like.
该管重量轻、强度高、传热快，无论从经济效益、 还是使用寿命等方面均优于传统结构铜管。
Drilling parameters typically include flow rate, pump pressure, standpipe pressure (SPP), pipe rotation (RPM), weight on bit (WOB), rate of penetration (ROP) and pit volume (PVT).
流量、泵压、钻压以及机械钻速等常用钻井参数还可用于监测井涌和泥浆漏失。
Ultra high molecular weight polyethylene pipe (UHMWPE)has excellent properties of impact-resistance anti-corrosion abrasion-resistance self-lubricating non-toxicity and low temperature resistance.
超高分子量聚乙烯（UHMWPE）管道具有优异的耐冲击、耐腐蚀、耐磨损、自润滑、无毒和耐低温等性能，其寿命是普通钢管的7～8倍。
Ultra high molecular weight polyethylene pipe (UHMWPE)has excellent properties of impact-resistance anti-corrosion abrasion-resistance self-lubricating non-toxicity and low temperature resistance.
超高分子量聚乙烯（UHMWPE）管道具有优异的耐冲击、耐腐蚀、耐磨损、自润滑、无毒和耐低温等性能，其寿命是普通钢管的7～8倍。
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