焊接的焊轮行走速度为2～15米/分,将两个钢卷头尾焊接起来所需要的时间(包括准备时间)为32秒。
1、正确正确
暂无解析
Idon’tlikethishat.Pleaseshowme____.
Exercisephysiologist
We _____ you of our readiness to serve you in this end all future business.
AccordingtoUKofficialstatistics,everyyearabout2000livesarelostthroughoccupationaldiseaseorinjury,about20,000majorindustrialinjuriesoccur(e.g.skullfracture,lossofsight)andthereareabout200,000injuriesresultinginaworkdisabilityof3daysormore.
Schedulingameetingissimple-butdoesnotensure__itwillserveausefulpurpose.
