以A型夹管阀为基础改进而来，这种锚链管道阀门坚固耐用，使用寿命长，并配置内置气动执行器的气动夹管阀。
Modeled after the original Type A pinch valve, the valve is a rugged, long-lasting, air-operated pinch valve with a built-in actuator.
焊接波纹管是近年来国内外兴起的一种新型元件，它有两突出的优点：变形量大，寿命长。
Welded bellows are a kind of new developed component, which have two prominent advantages: large transmogrification quantity and long duration.
塑料管具有耐腐蚀、不结垢、质量轻、使用寿命长等特点。
PVC-U plastic pipe has the character of corrosion resistance, no-scale, light weight and long service life.
本发明使 用防辐射能力强，使用安全，操作方便，X光管使用寿命长，检测精度高，大大降低了生产成本。
The invention has strong radiation protection ability, safe use, convenient operation, long service life of the X-ray tube and high detection precision and greatly lowers production cost.
发光二极管(LED)具有高效、节能、寿命长、环保等优点。
Light Emitting Diode (LED) has the advantages of high efficiency, energy saving, long life, environmental protection, etc.
高性能的美国射频激光管，完善光学系统，激光功率稳定，寿命长。
Radio frequency laser instrument with stable laser power and long life imported from USA perfect the optic system .
单动双层岩芯管钻具结构简单、操作方便、同轴度好、适用寿命长，能有效地提高岩、矿芯的完整度。
The swivel-tube barrel can effectively increase core recovery rato. suitable for drilling in formations in which oblique hole comes easy. It is effective to assure hole quality.
克服了现有电子管插座一体成型不能更换组件等缺陷，本实用新型具有接触良好、使用寿命长特 点。
The utility model overcomes defects that the current integrally formed electronic tube socket can not replace components, etc. , and is characterized by good contact and long service life.
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。
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.
红外产品标配原装进口LED发光管，打光均匀，寿命长。
Imported product comes standard with IR LED light tube, lighting uniformity, long life.
实际生产应用表明，钢骨架大间隙径向外抱式强制密封装置引管方便，胶圈使用寿命长，可大大提高生产效率。
Actual application of production shown that steel framework radial sealing in big gap possesses conveniently draft pipe and long life of rubber ring, and can greatly increase production...
同钢钻探管相比，铝钻探管具有质轻、使用寿命长、节约操作费用、钻探性能优良等特点。
Comparing with steel drilling pipes, the aluminium well drilling pipes are lighter in weight, more durable in use, save cost in operation and better in drilling performance.
同钢钻探管相比，铝钻探管具有质轻、使用寿命长、节约操作费用、钻探性能优良等特点。
Comparing with steel drilling pipes, the aluminium well drilling pipes are lighter in weight, more durable in use, save cost in operation and better in drilling performance.
应用推荐