mast raising 中文意思是什麼
mast raising
解釋
起升井架-
The requirement of installation for high mast lighting with raising and lowering lanter carriage in port handing area
港口裝卸區域升降式高桿照明設置規定 -
The technical requirements for high mast lighting system of raising and lowering
升降式高桿照明裝置技術條件 -
All mast raising and lowering functions are controlled from the operator ' s cab
支架的所有升降功能都是從操作室控制的。
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