双立柱固定式直梯 fixed ladders with two uprights
本机采用双立柱结构 Double-column structure
双立柱带锯机 Double-column band sawing machine
立式双柱加工中心 Machining centers,vertical double-column type
双柱立式车床 double column vertical lathe
双柱立式镗床 double column vertical lathe
双柱立车 DC-VBM
数控双柱立式车床 cnc double-column vertical turning & boring mill
双导向式立柱 [建] double-side leader
双立柱结构，锯架导向采用一圆一方导轨，保证导向精度，锯削稳定可靠。
Double-column structure, a saw-oriented party to adopt a circular rail, and ensure guidance accuracy and reliability of sawing.
18世纪英国的复制品双立柱餐桌，它的设计是采用了安妮女皇风格，此家具带有弯脚和用细贴面装饰顶部。它有3米长，1.1米宽。
18th century English reproduction Double Pedestal dining table. Queen Ann style with Cabriole legs and fine veneer top. 3 meters by 1.1 meters.
立柱采用双伸缩作用液压缸，以增加工作行程来满足支架调高范围的需要。
The column USES the double expansion and contraction function hydraulic cylinder, increases the power stroke to satisfy the support to adjust the high scope the need.
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