Underground coal gasification is implemented under changefully natural environment which is difficult and complicated to execute,so scientific safety preventive measures should be adopted.
煤炭地下气化是在多变的自然环境中进行的,操作,度较大,因此,必须采取科的安全措施。
Underground coal gasification is implemented under changefully natural environment which is difficult and complicated to execute,so scientific safety preventive measures should be adopted.
煤炭地下气化是在多变的自然环境中进行的,操作,度较大,因此,必须采取科的安全措施。
声明:以上例、词分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。