330MW机组做真空严密性试验将机组负荷稳定在额定负荷的()%,各参数运行正常。
A.70;
B.80;
C.60;
D.90。
参考答案:B
清冷渊穴位于肘尖上()。
A.1寸
B.1.5寸
C.2寸
D.3寸
E.4寸
Would you like _____ beer? [ ]
A. any
B. some
C. many
D. few