格构式独脚桅杆的起重量可达()。 A.60t B.100t C.200t D.300 发布时间:2017-12-30 09:40 │ 来源:www.tikuol.com 题型:单项选择题 问题: 格构式独脚桅杆的起重量可达()。A.60tB.100tC.200tD.300t
题型:单项选择题 –What do you call this in English?–It’s stamp. It is used ____ sending letters.A.forB.toC.withD.by 查看答案