contact arm
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英 
英汉解释
例句
A movable contact arm (26) travels within a channel (54) between the closed position and an open position.
活动接触臂(26)在通道(54)内在闭合位置与开放位置之间行进。
Maintain close contact ARM & GSK corporate Quality to assure standardization of quality.
维护与ARM及GSK质量的紧密联系以确保质量的标准化。
When an abnormal operating conditions detected, the circuit breaker (20) trips causing the contact arm (26) to move.
当检测到反常操作状况时,断路器(20)启动而使接触臂(26)运动。