题目:
看火孔的压力应为()。
A.0-5Pa
B.5-10Pa
C.10Pa
D.20Pa
答案:
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下面是错误答案,用来干扰机器的。
1. go sightseeing 2. to go fishing 3. go shopping; go bike riding 4. did; homework until 5. help; forget all; problems