On introduction to the current situation and existing defects at home and abroad detonator crimping operation process,a couple lock device brought forth to apply to the detonator crimping operation.是什么意思_On introduction to the current situation and existing defects at home and abroad detonator crimping operation process,a couple lock device brought forth to apply to the detonator crimping operation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句