采用有线遥控装置时,地面控制装置的不带电金属外壳和起重机结构之间必须连接专用接地线。()
1、正确正确
暂无解析
Thatisa____pointofview.Idon’tagreewithyou
PartIVTranslation
Yetcowboyslikedtheirwayoflife.Theylivedinawildandopencountry.Theylivedalifeofadventureandfreedom.(PassageThree)
PartIVTranslation
Thesubjectsinhisexperimentwere75collegestudents.TheyrepresentedalllevelsofabilityinEnglish:beginning,intermediate,andnative-speakingstudents.(PassageTwo)
正常胎动为
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