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- Refrigerating medium R22 and R134a are applied in household heat pump water heater in this experiment. The heating result and COP are researched and discussed by contrast. 本實(shí)驗分別用R22和R134a作為家用熱泵熱水器的制冷工質(zhì),對比分析討論和實(shí)驗研究了其加熱效果和性能系數,結果表明:R134a系統將90L來(lái)流水加熱到50℃需要多于實(shí)驗R22熱泵熱水器系統40min;
- Milk goes bad quickly if it is not refrigerated. 如果不冰凍牛奶很快就變酸。
- English is not the usual medium of instruction in our school. 英語(yǔ)不是我校通常使用的教學(xué)語(yǔ)言。
- An ASCII control character, end of medium. 一種ASCII碼控制字符,媒體結束符。
- This cloth is of medium quality. 這種布質(zhì)量平平。
- Studies on the Natural Refrigerating Medium LPG 天然制冷工質(zhì)LPG的研究
- He prefers a happy medium in life. 他在生活中甘居中游。
- A fish in water is in its natural medium. 魚(yú)在水里就是在自然環(huán)境中。
- Water is the natural medium in which fish live. 水是魚(yú)類(lèi)賴(lài)以生存的自然環(huán)境。
- Food must be refrigerated in summer. 食物在夏天必須加以冷藏。
- There is a medium in all things. 凡事都有中庸之道。
- Sound travels through the medium of air. 聲音通過(guò)空氣這一媒介傳播。
- Meat may rot if it is not refrigerated. 肉若不冷藏就可能腐爛。
- Greek culture penetrated Persia through the medium of the Syrians. 通過(guò)敘利亞人作媒介,希臘文化滲透到波斯。
- Rubber bands last longer when refrigerated. 橡膠帶冷卻時(shí)會(huì )更耐用。
- Produce lasts longer if it is refrigerated. 假如冷藏的話(huà),產(chǎn)品可維持得。
- Duplicate data or information copied from one medium to another. 從一種介質(zhì)向另一種介質(zhì)拷貝的復制數據或信息。
- Meat may rotif it is not refrigerated. 肉若不冷藏就可能腐爛。
- Meat may rot.if it is not refrigerated. 肉若不冷藏就可能腐爛。