英语词汇backup washer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	backup washer
释义	backup washer 简明释义保护垫圈支撑垫圈网络释义 1 [机]?支撑垫圈 ... 正直流电极 direct-current electrode positive 支撑垫圈 back-up washer 支撑阀 lift valve ... 2 ?保护垫圈 ... back-up source \|\| 后备电源，备用电源 back-up washer \|\| 保护垫圈，支撑垫圈 back-wall cell \|\| 后壁式电池 ... 双语例句 1 Back-up rings are washer-like devices that are used to prevent a seal from extruding through any gaps while under pressure. 备份环形状类似垫圈，用途为防止密封件遭到挤压。
随便看	half-round smooth file half-round steel half round steeper half-round table half round timber half roundtrip fare half-round veneer halfround wire half-round wood half-round wood rasp half round wood rasp half router half-ruined half run halfs half-salted fish half-salted refreshment half-sample half-sandwich half sandwich complex half-sandwich complex half-sane half-insane offender half saprophyte Half-saprophyte half-saturated

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。