螺旋千斤顶的起重量为1-20t,起重高度为(),自身重量为20-50Kg。 A.50 发布时间:2019-01-20 21:28 │ 来源:www.tikuol.com 题型:单项选择题 问题: 螺旋千斤顶的起重量为1-20t,起重高度为(),自身重量为20-50Kg。A.50-100mmB.100-150mmC.200-250mmD.250-360mm
题型:单项选择题 We can't _________ his mistakes, which were made because he was too careless with his work.A.overcomeB.understandC.tolerateD.recognize 查看答案