英语词汇“third class risk sources”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	third class risk sources
释义	third class risk sources 第三类危险源
随便看	Needville need water needways Need we make any adjustment of this machine? needwise needy needy academicians needy and deserving students needy child needy college girls needy college student needy college students needy country Needy county need yesterday needy family needy family student needy high school student needyhood needylie needy minority students needy mountainous area need you ? need you ask need you ask?