smooth pipe的例句大全

the hydraulic experiment has proved that the standard circular section of the plastic hose can only be formed in the condition of a certain internal water pressure because the plastic hose is hydraulic smooth pipe, soft and elastic and different from the hard texture plastic pipe.

水力学实验表明，塑料软管是水力光滑管，但与硬质塑料管不同，它柔软而富弹性，只有在一定的内水压强下才能显标准圆形断面。

Smooth on inside PVC double wall corrugated pipe

PVC内光外波纹双壁管

this product is spiral rid reinforcing plastics pipe. the internal surface of the pipe is smooth, bright, soft and abrasion-resistant.

本产品是塑料螺旋加强支撑管.塑料管内平滑、光亮、柔软和耐磨。

The welding is so smooth that you can hardly see where the sections of pipe are joined together.

这管子焊接得很光滑,你很难看出什么地方是焊接的.

This system runs in LiaoYang Pipe Mill for two years, and proved its smooth and accuracy.

本系统已在辽阳钢管厂运行两年之久.