青云翻译

China for CBM development work began in the 1980s, starting in the late 1980s, the introduction of modern coalbed methane development in the United States, CBM exploration and development trials, but has lasted nearly 20 years is still not reached the industrialization in development.

Study for ground coal-bed gas development in China began in the 1980 of the 20th century, in the late 80 's, the introduction of United States coalbed methane development in modern technology, exploration and development of coalbed methane ground test, has so far lasted nearly 20 years did not achie

Our country regarding the ground coal bed was mad the development research work begins in for 1980s, later period starts in the 80's, to introduce US's modern coal bed to be mad the development technology, carries on the ground coal bed to be mad the exploration development experiment, but lasted in

My research into ground coal bed gas development work began in the 1980s, beginning in the late 80s, the introduction of the modern United States coal bed gas development of technology, for ground testing coal bed gas exploration and development, but it has lasted for nearly 20 years has not yet rea

Study for ground coal-bed gas development in China began in the 1980 of the 20th century, in the late 80 's, the introduction of United States coalbed methane development in modern technology, exploration and development of coalbed methane ground test, has so far lasted nearly 20 years did not achie