缺: be short of; lack件: piece; article; item单: singular number fate; destin ...缺件: mi ingparts; missing parts; short item缺件停飞: agaircraft grounded for lack of parts备件单: spare parts list工件单: stückliste parts list/bill of materials件单元: cargo unit零件单: parts list飞机缺件停飞: aocaircraft out of commission for parts单文件单卷: monofile monovolume合格零件单: qpl计件单价: piece rate软件单元: software unit文件单元: file unit部件单元结构: modular construction推荐的备件单: recommended spare parts list文件单据工作: paper work文件单位比例: file unit scale修理用备件单: repair parts list装配零部件单: assembly part list采用文件单位尺度: adopt the file's unit scale成套件单独包装: kit shoud be packed alone and bound with rack成套空运备件单价: unit flyaway cost多构件单卷边焊缝: multiple joint flange weld