longitudinal space between upright tubes
... 立杆间距space between upright tubes 立杆纵距longitudinal space between upright tubes 立杆横距transverse space between upright tubes ...
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longitudinal spacing of upright tube
满堂扣件脚手架中英文对照（2-2） ... 步距 lift height 立杆纵（跨）距 longitudinal spacing of upright tube 立杆横距 transverse spacing of upright tube ...
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