基本解释[交通运输工程]闲置期英汉例句双语例句The machine frame can install various agricultural implements, the functions are multiple, the utilizing rate is high, and the lay-up period is short.这种机架可以安装多种农机具,功能多、利用率高、闲置期短。ip.comlay-up period更多例句专业释义交通运输工程闲置期