压力比敏感元件中的分压器产生固定不变的分压比的条件是()。A、进气嘴处为亚临界流动状 发布时间:2019-07-03 21:40 │ 来源:www.tikuol.com 题型:单项选择题 问题: 压力比敏感元件中的分压器产生固定不变的分压比的条件是()。A、进气嘴处为亚临界流动状态B、放气嘴处为亚超临界流动状态C、进气嘴处达到超临界流动状态D、放气嘴处达到超临界流动状态
题型:单项选择题 单词拼写 (满分10分)1. Water has three states: gas , liquid and (固体). 66. 2. The high-quality (飞行员)are badly needed. 67. 3. I’d like to buy two (打)eggs. 68. 4. The people’s (平均)income is increasing year by year. 69. 5. Women like (讨价还价) 70. 6. The village was surrounded by (敌人). 71. 7. The goods are paid by (支票). 72. 8. Tom shares everything with us (自愿地) 73. 9. Cellphones are (禁止) at school. 74. 10. As is known ,nobody is (完美的) 75. 查看答案