pipe racks 中文意思是什麼
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Equipment supporting structures, pipe racks, operating platforms
設備支撐結構管架操作平臺 -
The pipe racks are moved to and from their stored position by a hydraulic cylinder attached between the mast frame and the lower swing arm
管架是通過一個裝在支架框和下搖動臂之間的液壓缸往返于其貯存位置的。
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