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代謝物先容：

真空定徑的長架勢托管車由高度調理裝配、管材規格巨細調理裝配、輥輪組架、幫助爬坡裝配等構成，利用時按規格管將輥輪組架調理到適合的地位，高度調理裝配調理到適合的高度，使保送的管材一直與主軸線分歧，輥輪架組因做成長架勢，管架的承載力及包覆比例遠弘遠于單架勢，在利用中能更好的掩護管材的全體性及外表品質。

The long rack type trusteeship vehicle is composed of heightadjustment device, pipe specification size adjustment device, roller frame, auxiliary climbing device, etc. when in use, the roller frame is adjusted to the appropriate position according