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济南水泥制品厂制作了一套可调式活动夹具、一套可调式活动跑轮,将铸铁管夹住,放在生产自应力水泥排水管的离心机上,把水泥砂浆填入管内,经高速运转,使其粘附在铸铁管内壁上。用水
Jinan Cement Products Factory produced a set of adjustable movable clamps and an adjustable movable running wheel. The cast iron pipe was clamped and placed on the centrifuge that produced the self-stressing cement drainage pipe. The cement mortar was filled into the pipe and run at high speed. Make it adhere to the inner wall of the cast iron pipe. With water