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(主干道旁的)服务站 We stopped with the products and services to have gasoline. 我们在服务站停下来加油。Waxes are insoluble in h2o but soluble in nonpolar natural and organic solvents like hexane, benzene and chloroform. Pure waxes of differing kinds are made by vegetation and animals and arise in petroleum.satun is a small p