二级: two stage; two level; second ...备用: reserve; spare; alternate; b ...零件: part; element; detail; compo ...备件；备用零件: spare part备用零件: repair parts; replacement part; service parts; spare articles; spare detail; spare parts备用零件表: spare parts list备用零件箱: spare parts kit配件；备用零件: spare parts备用零件清单: spare parts list成套备用零件: set of spare parts; set of spare units备用零件箱，零件箱: are parts kit备件备件备用零件: spare parts拆用零件: cannibalize换用零件: renewal parts门用零件: door fixture通用零件: common parts; interchangeable parts; part common; parts common; universal parts鞋用零件: parts for footwear选用零件表: preferred parts list专用零件: parts peculiar备用零钱: cash flow三级备用发电机: class Ⅲ standby generator商用零件(市售零件): commercial parts成套改装用零件: conversion kit; modification kit关门机安装用零件: parts for closer installation耗用零件部汇总表: summary of cost of finished parts used
