Objective To study the germicidal mechanism of propolis - silver ion compound nanometer emulsion.目的研究蜂胶 - 银离子复合纳米乳剂杀菌机理.Objective Experimental observation on germicidal efficacy bit of electrolyzed oxidizing water.目的用悬液定...
Abba stretches his hand, of the bed among appeared a iron baluster.神父一伸手, 床的中间出现了一道铁栏杆.Julie uttered a faint cry, blushed like a rose and leaned against the baluster.尤莉轻轻地叫了一声, 面孔红得象一朵玫瑰,伸手扶住了栏杆.We offers quality stairca...