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Terms for subject Communications containing lever | all forms | exact matches only
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acknowledgment lever确认手柄
blocking lever闭塞手柄
check lock lever照查握柄
concentrated lever frame集中握柄
electrical signal lever信号电气握柄
route lever进路握柄
switch indicator with lever带柄道岔表示器
switch indicator with lever带柄道岔标志
traffic lever方向手柄