起重机允许吊起的重物或物料,连同可分吊具质量的总和称为
B
暂无解析
TheToriesweretheforerunnersof________,whichstillbearsthisnicknametoday
翻译:IbelieveChineseeconomicauthoritiesrecognizetheproblemandthenextFive-YearPlanwilladdressiteffectively.
Iwasreallyanxiousaboutyou.You______homewithoutaword.
Weareallconcerned_______hersafety.
Howmanypartsdoesascienceandtechnologypaperconsistof?Whatarethey?