液压伺服控制阀中喷嘴档板阀与滑阀相比其特点是:().A.抗污染能力差。 B.惯性较大 发布时间:2019-11-11 19:10 │ 来源:www.tikuol.com 题型:单项选择题 问题: 液压伺服控制阀中喷嘴档板阀与滑阀相比其特点是:().A.抗污染能力差。B.惯性较大。C.输出功率大。D.零位泄流量大。
题型:单项选择题 Last year, Linda made __________ her brother did though he had a better job. [ ]A. twice as much money as B. twice as many money asC. two times money more than D. twice more money as 查看答案