切削液中的乳化液,主要起()作用。乳化液的比热(),粘度()流动性(),可以吸收大量热量。
参考答案:冷却;大;小;好
列竖式计算,并验算.
357+176=
304-195=
410-207=
33÷5=
46÷7=
67÷7=
He lifted the receiver as soon as the telephone rang but ____ it on the table at once.
A.lay
B.lied
C.laid
D.lain