原油乳状液的老化
参考答案:
原油乳状液的稳定性随着存放时间的延长而增加的现象。
—Oh, we have finished our task and can have a good rest.
—________.Our manager took another order yesterday.
A.Yes, it will
B.I don't take much of it
C.It's possible
D.It's hard to say
安全管理“三个组织体系”指什么?