main conveyor roadway 中文意思是什麼
main conveyor roadway
解釋
咒送機巷道-
Reconstruction technologies in belt conveyor intercross of main entry and roadway
順槽與大巷膠帶輸送機平交改造技術 -
Selection and arrangement of the electric equipment for the belt conveyor in the east main roadway of sihe mine
寺河礦井井下東大巷膠帶機的電氣設備選型及設計 -
Reform of the belt conveyor in the south - wing main roadway of baodian mine
鮑店礦南翼大巷膠帶輸送機改造 -
Design introduction and performance analysis of the belt - conveyor in the east main roadway of sihe mine
寺河礦井東大巷帶式輸送機的設計簡介與運行特性分析
分享友人