reserve shutdown hole备用: reserve; spare; alternate; b ...停: stop; halt; cease; pause堆: pile up; heap up; stack孔: hole; opening; aperture备用停堆: backushutdown下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:备用停堆孔,即可在微信中查询翻译