悬挑卸料平台的钢丝绳拉索,其直径至少应为()。 A.16mm B.18mm C.19 发布时间:2018-04-28 20:04 │ 来源:www.tikuol.com 题型:单项选择题 问题: 悬挑卸料平台的钢丝绳拉索,其直径至少应为()。A.16mmB.18mmC.19mmD.20mm
题型:单项选择题 —You looked so tired this morning. How much_____ for the work? —Oh, I was just helping my friend.A.were you paidB.did you payC.would you payD.did it cost 查看答案