CAabbr.加利福尼亚(=California）abbr.中美洲（=Central Amercia）abbr.有执照的针灸医师（=certified acupuncturist)abbr.特许会计师(=chartered accountant)abbr.总会计师(=chief accountant)abbr.实足年龄(=chronological age)abbr.代理商行(=commercial agent)abbr.会计检察官(=controller of accounts)abbr.现金帐户(=curCacais卡凯斯

1. The ranks and the ratico of reative and inactive maerals are generally considered asmajor factors which eftect on the caking and coking properties of coal.
   一般认为，煤中的活性组分与情性组分的比例和煤级是影响煤的粘结性和结焦性的主要因素。