【简答题】润滑脂的主要物理性能指标是 _______________ 和 _______________ ;动压润滑轴承润滑油最重要的性能指标为 ____________________ 。
【判断题】Judy counld not understand the meaning of "ID ten T" at first.
【单选题】润滑油最重要的一项物理性能指标为____。(10分)
【单选题】I have only ten yuan with me, ___________ I can’t buy the expensive dictionary.
【单选题】润滑油最重要的一项物理性能指标为____。
【单选题】润滑油最重要的一项物理性能指标为______。
【单选题】-What!Ten minutes ago you told me there were no rooms. You just gave one to that man! -You ________ to understand, sir. That man has a reservation. [ ]
【判断题】“燕子石”常见于山东地区的寒武纪地层。()