Clearly aqueous preservative systems must possess a fixation mechanism.显然,水溶性防腐剂必须有固定的历程.Continental production and flower pots, cisterns, nursery toys, chemical preservative products.兼产欧式花盆 、 水箱 、 幼儿园玩具 、 化工防腐产品.TITAN :...
Organic food is unadulterated food produced without artificial chemicals or pesticides.有机食品是未使用人工化学制剂和杀虫剂的纯净食品。Many pesticides are irritants.很多杀虫剂都具有刺激性。vegetables grown without the use of pesticides未用杀虫剂种植的蔬菜...
The ferric acetylacetonate, phenyl betanaphthylamine , and lecithin are added through 40 - mesh screen.将乙酰丙酮铁, 苯基B- 萘胺及磷脂通过40目筛加入.Lecithin Nearly always produced from soya beans, though be produced from eggs.卵磷脂几乎总是产生的大豆...
The Sultan was still nominally the Chief of Staff.苏丹仍是名义上的参谋长。the Sultan of Brunei文莱苏丹Everyone was entirely subject to the whim of the Sultan.所有人都完全听命于苏丹王,由着他随心所欲....
He was shattered and bewildered by this trenchant criticism.他因这番尖锐的批评而万念俱灰，茫然不知所措。Some of their comments were quite trenchant.他们的有些批评十分尖锐.His comment was trenchant and perceptive.他的评论既一针见血又鞭辟入里。...