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- This light can be used to illuminate a glass bulb containing sodium vapour. 可以用这种光来照射一个含有钠蒸气的玻璃泡。
- This light can be used to illuminate a glass bulb containing sodium vapour . 可以用这种光来照射一个含有钠蒸气的玻璃泡。
- In order to restore the historic red colour of the Forth Bridge correctly, Alessi fitted these floodlights with sodium vapour lamps. 为了准确到位地表达第四大桥这富有历史感的红色,这些灯具中采用的是钠灯光源。
- High Pressure Sodium Vapour Lamp Making Machinery 高压钠气灯生产机械
- High pressure sodium vapour lamps 高压钠蒸汽灯
- High pressure sodium vapour lamps; Amendment 10 高压钠蒸气灯。第10次修订
- high pressure sodium vapour lamp 高压钠汽灯
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- A cloud is a mass of vapour in the sky. 云是天空中的水汽团。
- Water can be changed into vapour when heated. 水被加热时,可以变成水蒸汽。
- Sodium and water react (together). 钠和水能起反应。
- Limited values of energy efficiency and rating criteria for high-pressure sodium vapour lamps 高压钠灯能效限定值及能效等级
- Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
- It can change water into vapour. 它能把水变成蒸汽。
- The crude sodium carbonate ash obtained from these plants. 苏打灰从这些植物中获得的粗碳酸钠灰
- The hot vapour spouted from a rusted pipe. 热蒸汽从一个生了锈的管子里喷了出来。
- Then a brown vapour is given off. 这时会放出一种棕色的气体。
- He sniffed the vapour up (through his nose). 他(用鼻子)吸入蒸气.
- Petrol forms vapour above a certain temperature. 高于一定的温度汽油就形成蒸气。
- When heated,water change into vapour. 给水加热时,它会变成蒸气。