roof bar stay
... 顶杆撑 roof bar stay; 顶杆导轨 lifter guide; 顶杆框 ejector box; ...
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浴桶顶支撑杆 tank top supporting rod
撑幕顶杆 TOP BATTEN
自顶层跨边开始拆卸交叉支撑，同步拆下顶撑连墙杆与顶层门架。
Since the cross-border began to demolish the top cross support, remove the top stays synchronized with rod and the top wall of the door frame.
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