concrete e pipe 混凝土管
alloy-steel E pipe 合金钢管
brake e pipe 制动管
flexible e pipe 蛇管 ; 软管
alloy-steel E pipe clamp 合金钢制管卡
cylindrical e pipe thread tap 圆柱管丝锥
brine e pipe 盐水管
E. g. Join one section of pipe to the next.
把一段管道与相邻的管道连接起来。
The higher density of the foam is the better. Check the foam particle frequently, if its size is not uniform, maybe some problems happened, e. g., jam in the pipe, leakage or mechanical trouble.
发泡时泡沫颗粒应愈绵密愈好，应随时注意发泡颗粒是否大小均匀，反之，必有发泡管阻塞、漏气或故障。
The return air is unblocked by changing the distances among heat exchange fins, i. e. the arrangement density of the heat exchange fins on a heat exchange pipe.
通过改变换热翅片之间的距离也就是换热翅片在换热管上的排列密度，使回风畅通。
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