词语preparatory work
解释准备工作
preparatory work〔名词〕准备工作详细»
preparatory work〔名词〕准备工作,准备工程详细»
准备工作set-up service详细»
准备工作preparatory work详细»
准备工作dead work;preparation;preparatory work详细»
准备工作dead work;preliminary work详细»
准备工作preliminary;preliminary works;preparatory work详细»
准备工作preparation详细»