某些颜料, 由于色素组成成份的性质而导致耐酸性很差.Certain colors, due to pigment ingredients, may inherently have very poor sulfuric acid resistance.耐酸性: 在2.5%盐酸溶液中浸24小时无明显腐蚀现象.Acidoresistant: Without corrode in 2.5 % hydrochloric Acid solution...
本公司除供应质优产品外, 另外还经营各种印刷器材如丝网印刷机, 网纱,网框, 菲林, 胶刮,调墨刀等.Other than the above , we also supply Silk Screen Printing Machine , Mesh , Film, Squeegee, Spatulas etc.博物馆空间不是由墙壁来划分的,用的是一面面半透明的纱网, 以增加空气的流通.Spaces are divided not by ...
Is the Pearl River Delta economic circle in the oasis.也是珠江三角洲经济圈中的绿洲.Computer simulation of water movement and heat transfer in groundwater - soil - vegetation - atmosphere continuum at oasis - desert ecotone.绿洲 - 荒漠交错带潜...
昨天玩宾戈赢了一把，适时地给朱丽叶·利特尔一家带来些许的欢快心情。A timely bingo win brought some cheer to Juliet Little's family yesterday.为了做做样子，卡萝尔适时地抽了几下鼻子。Carol managed a few proper snivels for the sake of appearance.现在需要的只是你一句适时的话。One well-ti...
在昨晚的空袭中敌机轰炸了该城.In an air raid last night the enemy aircraft bombed the city.他们一举击落两架敌机.They brought down two enemy planes at one blow.碾米厂遭到了敌机的轰炸.The rice mill was wrecked by the enemy bombing....