问题
填空题
润滑油系统必须保持一定的油压,若油压过低,将导致润滑油膜(),不但损坏轴承还能造成动静之间摩擦恶性事故,因此,为保证汽轮机的安全运行必须装设()保护装置。
答案
参考答案:破坏、低油压
润滑油系统必须保持一定的油压,若油压过低,将导致润滑油膜(),不但损坏轴承还能造成动静之间摩擦恶性事故,因此,为保证汽轮机的安全运行必须装设()保护装置。
参考答案:破坏、低油压
补全对话。 | |
B: Yes, 1. A: All right. To where? B: 2. So we want to buy the tickets to the nearest station (最近的车站) on Saturday evening. A: OK. Starts at 10:50P.m.and arrives at 11:00 a.m. to Lushan Railway Station, Jiangxi Province (江西省). B: That's nice. 3. A: 100yuan for the hard seat and 180yuan for the soft seat. 4. B: I want the hard seat. A: All right. 10 hard seat tickets. And your name? B: 5. Thank you! |