And the property of dissolvent will change the nucleation rate.溶剂的性质也将改变成核速率的大小.A single can of dissolvent pollute millions of litres of water.单单一铁罐的溶剂就可以污染数百万升的水.First economic product is with dissolving the nitrocellul...
黑板上用粉笔写着7个人名。There was a blackboard with seven names chalked on it.他用一截粉笔将她的指示写在黑板上。With a stick of chalk he wrote her order on a blackboard.一盒粉笔a box of pastels...