通过调整绞车液压系统的()来设定绞车提升负荷工作压力而得到上提测井电缆和井下仪器的安 发布时间:2020-02-05 23:33 │ 来源:www.tikuol.com 题型:单项选择题 问题: 通过调整绞车液压系统的()来设定绞车提升负荷工作压力而得到上提测井电缆和井下仪器的安全拉力。A、换向阀B、扭矩阀C、节流阀D、蓄能器
题型:单项选择题 —Hi, Lucy, I’m wondering whether I can use your mobilephone for a while. —I hate to say, but ______.A.it’s being repairedB.it has been repairedC.it’s repairedD.it had been repaired 查看答案
题型:单项选择题 —Would you mind if I call you Jim? —______.A. Yes, I do B. Of course not C. Sorry, I won’t 查看答案