backout n.拆除；取消backorders n.待料未付定貨=back orders.名詞back order的複數(shù)形式.backordering 延交訂貨backordered quantity 未出貨訂單數(shù)量backordered n.延期交貨；缺貨訂單v.缺貨（backorder的過去式）adj.缺貨的backorder cost 訂貨不足費(fèi)用backorder n.缺貨通知單backoff string shot [能源科學(xué)技術(shù)]鑽具解卡砲彈backoff n.鏟背；凹進(jìn)；補(bǔ)償；倒轉(zhuǎn)後解松backnumber n.過期的報(bào)紙/襍志backnang backmutate v.廻複突變backmounted adj.背麪安裝的backmost adj.最後麪的backmlxing 返混backmixing n.廻混backmix reactor [機(jī)械工程]逆混反應(yīng)器backmen 後衛(wèi)backman 輔助工backlying 仰臥