lowering operator 中文意思是什麼
lowering operator
解釋
下降算符-
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。 -
The movement of the platform shall be stopped, unless the operator keeps his hand on the local control device during the raising or lowering process
自動制動器在平臺升降過程中,操作員的手若不連續按動平臺控制裝置,平臺的操作便須停止。
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