英语词汇“three lines of defense”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	three lines of defense
释义	three lines of defense 三线防御
随便看	crankcase cover plate crank call crank caller crank callers crank calls crank cap crank capstan crankcase crank case crank-case crankcase alloy crankcase arm crankcase bearing crankcase bearing saddle crankcase bearing seat crankcase bleed pipe crankcase blow-by crankcase bolt crankcase bottom crankcase bottom gasket crankcase bottom half crankcase braring saddle crankcase breather CRANKCASE BREATHER/FILTER crankcase breathing