基本解釋[軍事學(xué)]槍閂英漢例句雙語例句When looking ahead from the gun breech, if the Gatling gun rotates in clockwise direction, the left guide rail of the bolt carrier should be in higher position;從炮尾方向向前看，如果轉(zhuǎn)管炮是順時(shí)針旋轉(zhuǎn)，則左側(cè)導(dǎo)軌適宜布局得高一些；breech bolt更多例句專業(yè)釋義軍事學(xué)槍閂