constant mesh gear
... constant mesh ==> 经常啮合,经常啮合 constant mesh gear ==> 常啮合齿轮,固定啮合齿轮 constant mesh gear box ==> 固定啮合齿轮变速箱 ...
normally engaged gear
... normally functioningn.功能正常的 normally engaged gear常啮合齿轮 normally closed contactsn.常闭触点(接点) ...
normally engaged gear lock ring
normally engaged driving gear
idler shaft constant mesh gear