热态启机时应保持较高真空,防止过临界时进入汽缸的蒸汽量过大产生过大热应力。() 发布时间:2021-01-13 17:08 │ 来源:www.tikuol.com 题型:判断题 问题: 热态启机时应保持较高真空,防止过临界时进入汽缸的蒸汽量过大产生过大热应力。()
题型:判断题 One of the things the school tries to advocate is pupils need to learn more about the best ways to find out questions.A.whenB.howC.that D.what 查看答案