switch lever with counter-weight的意思|示意
美 / /
英 / /
带配重的开关杠杆
switch lever with counter-weight的网络常见释义
带锤转辙杆 locking， switch lever 转辙闸柄锁定装置 switch lever with counter-weight 带锤转辙杆 switch lever with reversing counter-weight 回动锤转辙杆 ..