On many modern wooden boats, epoxy coatings will have been used as a base for varnishing.很多现代的木船将采用环氧涂层作底漆。The coatings with dye are rinsed in water for 10 seconds.含有染料的涂层用水洗10秒钟.All surfaces are provided with highly ref...
In an intradermal test , Sarnowiec ( 1934 ) used castor oil.一种蓖麻油中的油质脂肪酸,用于肥皂中.Walnut sticks intradermal more tannin, easy to form an isolation layer interface.核桃枝皮内单宁较多, 易形成接口的隔离层.A 23 - year - old woman experienced ana...