small diameter pipe cutter 小口径割管器
construction of small diameter pipe 小径管施工
small-diameter steel pipe 小直径钢管
small diameter steel pipe 小口径钢管
small-diameter steel pipe bearing pile 小口径钢管支撑桩
small diameter and thin pipe 小径薄壁管
small diameter of welded pipe 小直径焊管
General small-diameter pipe elbow, more than the standard production by the plant site produced without forming elbows.
而一般小口径管道弯头，多由工厂按标准生产成形弯头不用现场制作。
A geothermic system where using a small fan, air is drawn from the bedroom through 30cm diameter pipe buried underground.
阿地热系统在使用一个小风扇，空气是来自卧室通过埋在地下30厘米直径的管道。
The simulation experiments proved that it is a desirable tractive device for the inspecting system of small diameter pipe.
实验证明这种机器人适合作小直径管道检测系统的理想牵引装置。
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