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
试压机基本能适应现有液压支架单、双伸缩的各种规格立柱试验，能实现内、外两种加载方式。
This device is basically adapted to various columns test of the existing single and double expansion of hydraulic support. It can achieve inside and outside loading.
液压支架是煤矿综合机械化采煤的关键设备，双伸缩立柱是液压支架的关键零部件。
Hydraulic support is the key equipment of mechanized coal mining. The double-telescopic prop is the key component of hydraulic support.
基于UG二次开发的液压支架双伸缩立柱快速设计模块简捷、实用、交互性强。
The rapid design module of the double-telescopic prop in the hydraulic support based on the UG secondary development is simple, practical and with strong interaction.
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