In chemical industry and energy production, scale is a long-standing and actual difficult problem.
在化学工业和能源生产中，结垢是一个长期存在而又难以解决的实际问题。
My company location and convenient transportation, chemical industry base is located in China's energy.
我公司地理位置优越，交通便利，地处中国能源化工基地。
Shanxi province is an important base of energy and heavy chemical industry.
山西省是我国重要的能源重化工基地。
Shanxi province is an important base of energy and heavy chemical industry.
山西省是我国重要的能源重化工基地。
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