英语词汇backing ring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	backing ring
释义	backing ring 美/ ?b?k?? r?? / 简明释义支撑环：一种金属环，用于加固对接焊缝并防止焊接金属进入焊缝处的管道。网络释义短语 1 backing ring 机垫环 ; 衬环 ; 托圈 ; 衬环垫圈 2 weld with backing ring 背面垫环焊接 3 backing ring flange 衬环法兰双语例句 1 D ring is not a necessary backing part which has biological activity in these compounds. 环不是该类化合物具有生物活性的必需骨架部分。
随便看	digital cycle meter digital darkroom digital dashboard digital, data digital data digital data acquisition and processing digital data acquisition system digital data base Digital Data Broadcast System digital data channel digital data cipher unit digital data circuit service digital data communication digital data communication message protocol digital data communication set Digital Data Communications Message Protocol digital data communication system digital data communication terminal digital data computer digital data conversion equipment digital data converter digital data converter-receiver digital data delay distortion digital data display system digital data encoding

英汉双解词典包含3185865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。