压缩机进入正常运转后,应对各运动部位的()、()进行检查,如有异常情况,应立即停车检查。
参考答案:温度;压力及密封处
— Do you think our soccer team will win the match, Sam?
— Yes. We have better players. I ______ them to win.
A.ask
B.expect
C.hope
D.help
伯氨喹等药物在某些人产生溶血性贫血()
A.遗传因素
B.后天获得性因素
C.两者均有
D.两者均无