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- 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。
- silica valve 石英壳管
- The crude oil is chromatographed over silica gel. 粗制油状物用硅胶进行色谱分离。
- Containing little silica, as igneous rocks. 基性的基性的，含有比较少量的二氧化硅的作为火成岩的
- 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。
- It is a compound of aluminum, silica, and fluorine. 它是铝、硅和氟的化合物。
- The exhaust valve on my car have burn out three times. 我车子上的排气阀已烧坏三次。
- Containing little silica,as igneous rocks. 基性的基性的，含有比较少量的二氧化硅的作为火成岩的
- Silica is a basic unit in many ceramics. 硅是一种基本的陶瓷制品。
- The exhaust valve on my car has burnt out three times. 我车子上的排气阀已烧坏三次。
- Hydrophobic silica is the active antifoam agent. 憎水性硅石是一种有效的防泡剂。
- Composed of a single valve or piece. Used of a shell. 单瓣的由单个瓣膜或部分组成的。用于壳
- Beneficiation removes clay and silica to considerable extent. 富集操作除去粘土和硅石达到相当高的程度。
- This valve regulates the flow of water. 这个阀门控制着水的流量.
- A variety of silica that contains microcrystalline quartz. 燧石含微小晶状的石英的各种硅石
- A small valve or faucet used to drain or reduce pressure, as from a boiler. 泄气阀，小龙头用来排空或降低压力的一种小阀门或小龙头，如锅炉上的
- Replace the cylinder outlet seal and valve cap. 替换钢瓶排气口密封和阀门帽。
- A translucent mineral of hydrated silica, often used as a gem. 蛋白石一种非晶质氧化硅，含有明显的变色晕彩，常被用来当作宝石
