您要查找的是不是：
- Ammonia is a chemical substance. 氨是种化学物质。
- Ammonia is a colorless gas with strong smell. 氨是无色并有强烈气味的气体。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- Have you turned off the water valve? 你关掉水阀了吗？
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- In some ways, an hydrous ammonia is just as Safe to handle as gasoline. 在某种程度上，无水氨使用起来和汽油一样安全。
- Tests of the manure showed a high ammonia content. 这种肥料经过化验表明氨的含量很高。
- A natural or synthetic ester of glycerol and fatty acids. 甘油酯以甘油和脂肪酸天然存在的或合成的酯
- Dilute the ammonia with water before you use it. 使用氨之前用水稀释它。
- The smelling of ammonia brought himaround. 嗅氨使他恢复了意识。
- Preparation methods and degradation behavior for poly(carboxylic acid silyl ester)s were reviewed. 综述了聚羧酸硅基酯的合成方法和降解性质。
- The pump sucks air out (of the vessel) through this valve. 这台泵通过这个阀门把(容器中的)空气抽出。
- She diluted the ammonia with water. 她用水稀释氨水。
- A salt or an ester of lactic acid. 乳酸盐或乳酸酯
- Beijing Poly International Auction Co., Ltd. 北京保利国际拍卖有限公司。
- A salt or an ester of titanic acid. 钛酸盐钛酸的盐或酯
- Hangzhou pacific poly textiles co., Ltd. 杭州太平洋保利纺织品有限公司。
- Ammonia has a pungent, penetrating odor. 氨具有一种强烈的刺鼻的气味。
- The exhaust valve on my car have burn out three times. 我车子上的排气阀已烧坏三次。
