设石灰石中,杂质为3.57%,CaCO3占96.43%。则生石灰中CaO()%。。
A、91
B、92
C、93
D、94
参考答案:D
In relation to insolvency of a company:
(a) Describe the process through which a company limited by shares may enter into voluntary liquidation. 5 marks)
何种故障瓦斯保护动作有哪些?