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

词汇	three-level maintenance
释义	three-level maintenance 三级维修
随便看	The fluctuating value of gold and silver The fluctuation does not decide The fluctuation in range is called straggling the fluctuation of exchange-rates the fluctuation of stock price The fluctuation of trend the fluctuation phenomenon the flue-cured tobacco The flue has become sooted up The fluency test the fluid builds up slowly The fluid contents of a plant cell vacuole The fluid-filled The fluid-filled,central cavity of a blastula The fluid-filled, central cavity of a blastula the fluidity is surplus the fluidity of cement paste the fluid outer core the fluid population The fluid so injected The fluid surrounding a fetus in the uterus the fluid vortical device The flu is easily propagated by air travel The flu is highly infectious The flu is rife