圆筒形轴承的顶部间隙是椭圆轴承的()倍。A.2; B.1.5; C.1; D.1/2 发布时间:2019-10-19 00:45 │ 来源:www.tikuol.com 题型:单项选择题 问题: 圆筒形轴承的顶部间隙是椭圆轴承的()倍。A.2;B.1.5;C.1;D.1/2
题型:单项选择题 It seemed that the sea lion didn’t mind _______ with the tourists at all.A.photographB.photographingC.to photographD.being photographed 查看答案