制造芳香族硝基化合物的硝化器为铁制的容器.The nitrators used in the manufacturing of aromatic nitrocompounds consist of iron vessels.他归来时看到骑士正缓慢而节制地喝着铁制的长勺中的水.Michael went to find a bucket and some straw for the horse.这个塑料部件比铁制的还好.This plast...