释义 |
upright post短语⁵¹⁹⁹⁶ 基本例句 立柱 By analyzing the structure of upright post and hydraulic jack, this essay introduces the structure of a rational and practical upright post or hydraulic jack, which also can be repaired easily. 前言:通过对立柱、千斤顶的结构进行对比、分析,介绍了合理、实用并便于检修的立柱、千斤顶应具有的结构。 chemyq This paper expounds the design of processing techniques before hole- boring on the cylinder of upright post and hoisting jack used in the hydraulic support. 阐述了液压支架所用立柱、千斤顶的缸筒在上深孔钻镗床进行镗孔、滚压之前必须进行的加工工艺的设计。 dictall |