main inclined shaft meaning in English

主斜井

Alternative comparison of the design of the main inclined shaft of meihuajing mine
梅花井煤矿主斜井布置方式方案比较
Transformation of combining machine and track into one in main inclined shaft of shigejie mine
石圪节煤矿主斜井机轨合一改造
Technical research and reconstruction on braking device of belt conveyor in mine main inclined shaft
煤矿主斜井带式输送机制动装置技术研究与改造
Discussion on technical alternatives for the belt conveyor in the main inclined shaft of buertai coal mine
布尔台矿主斜井带式输送机技术方案探讨
Technical improvement of electric control system for belt conveyor in main inclined shaft of du ' erping mine
杜尔坪煤矿主斜井皮带电控系统技术改造

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