centrifugally spun concrete pipe 离心制混凝土管 centrifugally cast pipe 离心浇灌钢筋混凝土管 ; 离心铸造管 centrifugally cast concrete 离心浇灌混凝土 ..
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短语
贯穿螺栓离心铸造管
centrifugal casting pipe for stay bolt
离心铸造碳钢管
centrifugally cast carbon steel pipe
离心铸造球墨铸铁管
Centrifugal casting ductile iron pipe
离心铸造后拔管
Pulling Pipe after Centrifugal Casting
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