waste water pipe seal 污水管密封
exhaust pipe seal 排气管密封件
seal pipe 密封管 ; 主气管线中的水封阀
seal-welded taper pipe threaded joint 锥管螺纹密封焊连接 ; 锥管罗纹弥缝焊毗连 ; 密封焊连接
seal water pipe 水封管
exhaust pipe flange seal 排气管凸缘气封
dry seal pipe thread 干封管螺纹
Seal-welded taper pipe 锥管螺纹密封焊连接
seal air pipe 密封空气管
For sewer pipe seal in kitchens, bathrooms and others.
适用于厨房、卫生间等下水管道的密封。
A new type of moving petticoat pipe structure and petticoat pipe seal which fit for forced circulation way is introduced. A kind of flexible fastening of moving petticoat pipe is also recommended.
并介绍了一种适合强制循环方式的新颖的活动烟罩和烟罩密封形式，推荐了一种活动烟罩管道柔性连接件。
The report indicates that a bad cement seal on the oil well allowed gas and other liquids to flow up the production pipe.
这份报告表示，油井上一个有问题的水泥塞使得天然气和其他液体通过生产管道涌向海面。
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