roak

常见例句

I'm 6. I'm from Dagong Roak No.1 primary school.
我6岁了。我在大公路第一小学读书。
Roak spoil removal system of mine surface is to ensure mine roak spoil removal requirement,and to realize a key link of coal production continued development of mines.
矿井地面排矸系统是保证矿井矸石排放需求,实现矿井煤炭生产持续稳定地增长的关键环节。
Aimed at roak spoil system condition and main problems of mine surface of Yixin Coal Company LTD.,Hegang Mining Industry Group Company,the necessity of system reform and concrete plan are put forward.
针对鹤岗矿业集团公司益新公司矿井地面排矸系统现状及存在的主要问题,提出了系统改造的必要性和改造具体方案,取得了较好效果。
surface roak spoil removal system
地面排矸系统
Keywords surface roak spoil removal system;feasibility;reform;
地面排矸系统;可行性;改造;
Keywords heilongjiang province;cate tertiary period;properties of coal roak;
关键词黑龙江省;晚第三纪;煤岩特征;