The precise measurement and control of the weld reinforcement of SAW pipe is an important part to guaranty the welding quality.
焊缝余高的精确测量和控制是埋弧焊管焊接质量的重要保证。
As soon as he saw us, he picked a long pipe which was covered with COINS.
他一看到我们就拿起了一颗镶有硬币的长长的管乐器。
Cut cured concrete pipe sections with saw or chisel, and cement sections together to form odd shaped fittings.
用锯子或凿子一起切割固化混凝土管段以及水泥部分,形成奇形接头。
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