petrolic pitch石油沥青
petrolic engine汽油发动机
petrolic products石油产品
petrolic hydrocarbon石油烃
petrolic c石油的
petrolic ether石油醚
automotive motor petrolic汽车的
petrolic magnesium sulfonate石油磺酸镁
Calcined Petrolic Parchings煅烧石油焦;锻烧石油焦
ADJ(形容词) of, relating to, containing, or obtained from petroleum 石油的; 从石油中提炼的