英语词汇“if required”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	if required
释义	if required [网络] 需要；如有需要；如需要
随便看	contactor controlled traction equipment contactor controller contactor control system contactor density contact order contactor efficiency contactor equipment contactor for forced draft contact organ contact organs contactor group contactor interlock contactor material contactor panel contactor pump contactor relay contactors contactor segment contactor sequence contactor servo mechanism contactor servomechanism contactor starter contactor stem contactor switch contactor switching starter 下井投石下回分解下坂走丸下塞上聋下学上达下情上达下愚不移下气怡声下气怡色下笔千言 08670 08671 08672 08673 08674 08675 08676 08677 08678 08679