摇表的转速应是()r/min。若转速过高或过低时,摇表的指示都将不正确。 发布时间:2017-05-13 16:20 │ 来源:www.tikuol.com 题型:填空题 问题: 摇表的转速应是()r/min。若转速过高或过低时,摇表的指示都将不正确。
题型:填空题 ---- Is _____ manager and _____ engineer to attend the meeting this afternoon? ---- I have no idea.A.a; aB.the; /C.the; theD.a; the 查看答案