短语词组短語block k thrust 塊狀沖斷層thrust block 推力承座;推力軸承;止推座outer thrust block 外止推座inspection of thrust block 推力塊厚度檢查differential thrust block pin 差速器止推座銷thrust block plate 推力承底板;推力軸承底板;推力塊座板;止推座板thrust block ring 推力承環 返回 block thrust