四次抽汽供给()和(),同时作为()正常用汽源。
参考答案:除氧器;小汽机;高温辅助蒸汽联箱
用简便方法计算:
(1)(0.2)2008×(-25)1005;
(2)19962-16.
Success is how you are viewed by others, _______ achievement is something you do yourself.
A.while
B.in case
C.even if
D.as long as