英语词汇optional delivery怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	optional delivery
释义	optional delivery operationalizevt. 使用于操作,使开始运转,实施 proportionalityn. 比例(性)；均衡(性)；相称
随便看	recirculating recirculating activation recirculating air recirculating air damper recirculating air dryer recirculating air duct recirculating air flow recirculating air lehr recirculating air sweeper recirculating ball guide recirculating ball linear bearing recirculating ball screw recirculating ball steering recirculating ball steering gear recirculating ball type steering gear recirculating ball type steering wheel recirculating batch still recirculatingbatch still recirculating bed recirculating bin drier recirculating blower recirculating cement mixer recirculating chromatography recirculating control system recirculating cooling water

英汉双解词典包含3607232条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。