问题
填空题
为了监视石墨轴承的磨损状况，屏蔽泵一般都装有（）或（）轴承监视器。
答案
参考答案：机械式；电磁式
搜题请搜索小程序“爱下问搜题”
为了监视石墨轴承的磨损状况，屏蔽泵一般都装有（）或（）轴承监视器。
参考答案：机械式；电磁式
| 补全对话。 W: I got my driver's license last week. M: Oh. Congratulations! W: __1__ M: Well, you should follow some rules if you want to be a good driver in America. W: __2__ M: First of all, you should give way to cars that have the right of way. Second, don't cut in front of other cars. W: OK, and? M: __3__ And obey all road signs and police officers. W: OK, what else? M: __4__ And give way to pedestrians in crosswalks. W: And what else should I do? M: Well, you can park only in a parking space. __5__ when turning or changing lanes. And remember never drink and drive. W: OK, I remember.
|