常見例句The pin on which a gun carriage revolves. 炮架樞軸炮架轉(zhuǎn)動用的樞軸The part of a gun carriage that rests or slides on the ground. 底板靠在地面或沿地面滑動的大炮輪架部分The frame on which a gun carriage moves forward and backward. 炮底架炮架在其上前后移動的炮底架dismount a gun from the gun carriage 從炮架上卸下大炮the frame on which a gun carriage moves forward and backward 炮架在其上前后移動的炮底架the part of a gun carriage that rests or slides on the ground 底板靠在地面或沿地面滑動的大炮輪架部分 返回 gun carriage