... 外牵引 external traction, independent haulage 机械牵引 mechanical haulage 液压牵引 hydraulic haulage ...
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The shearer is a complex mechanical system, It consist of haulage unit, cutting unit and related appendage.
采煤机是一个复杂的机械系统，其主要包括行走部、截割部、及其附属设备。
Couple transmission principle of electric haulage shearer breaking mechanism planet_gear use maths program theory for optimization of mechanical design.
结合电牵引采煤机破碎机构行星齿轮传动原理，应用数学规划理论进行机械优化设计。
On August 18 that day, Pavilion South Coal Company haulage team squad leader Wang Qingji into the hearts of the Ways and mechanical and electrical maintenance man, "God."
8月18日这天，亭南煤业公司运搬队班长王庆吉成了机电维修工刘长运心中的“神人”。
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