船舶主柴油机在负荷突变试验中,要求调速器的稳定时间不得超过() A.3s B.4s 发布时间:2018-04-30 08:38 │ 来源:www.tikuol.com 题型:单项选择题 问题: 船舶主柴油机在负荷突变试验中,要求调速器的稳定时间不得超过()A.3sB.4sC.5sD.10s
题型:单项选择题 The mother is very glad; her baby is beginning ______.A.understanding what she meansB.to understand that she meantC.to understand what she meansD.noticing what she means , 查看答案