breech-block

常見例句

• Shells into the breech, Qiang Ji Jin-stop, and the plane into the box to resume and promote Qiangji rotation atresia.
  彈入膛后，槍機(jī)停止復(fù)進(jìn)，而機(jī)框繼續(xù)復(fù)進(jìn)，并帶動(dòng)槍機(jī)旋轉(zhuǎn)閉鎖。
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