目前为提高酸处理效果使用最多的方法是(),以使HF处理地层深处的粘土。 ["提高温度","提高压力","就地产生HF","提高粘度"]
批发类中小企业销售收入要求的最高额不超过()。 ["1.5亿元","1亿元","2亿元","3亿元"]
白金法则是谁提出的?
电气安全标准体系是怎样的?
Liens may be created by the contract()they do not exist at common law. ["where","whether","there","and"]
什么是配置?