您要查找的是不是：
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸塵器都是借吸力工作的。
- The pots are made with blue enamel. 這些鍋上有藍色的搪瓷。
- Some of the enamel on this pan is chipped off. 這平底鍋上的搪瓷有些已脫落。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活變得空虛。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活變得空虛。
- The enamel of her teeth is very white. 她牙齒的琺瑯質(zhì)很白。
- Rust has already bitten into the enamel. 鐵銹已經(jīng)爛進(jìn)搪瓷里去了。
- Some people are living in a vacuum. 有些人過(guò)著(zhù)與世隔絕的生活。
- A vacuum cleaner is a handy household tool. 吸塵器是一種使用方便的家庭用具。
- The shop repairs vacuum cleaners. 這家店修理吸塵器。
- The porter turned off the vacuum. 清潔工關(guān)掉真空吸塵器。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符號
- Sealed under low pressure or a partial vacuum. 抽空密封的在低壓或部分真空狀態(tài)下密封起來(lái)的
- See that direct heat does not play on dry enamel. 注意別讓熱氣直接接觸干燥的搪瓷。
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰塵被吸入吸塵器。
- We could not pull apart two plates which enclosed a vacuum. 如果兩個(gè)盤(pán)子間是真空，我們就無(wú)法將它們分開(kāi)。
- Iron utensils with a mottled enamel resembling granite. 單涂搪瓷器皿表面涂以搪瓷使外觀(guān)象花崗巖的鐵制品
- Operating by means of suction or by maintaining a partial vacuum. 抽真空的用吸取的方式或用維持部分真空的方式來(lái)運作的
- The iron pan was covered with white enamel. 這個(gè)鐵盤(pán)子上涂了一層白色的搪瓷。
- The plate is covered with white enamel. 盤(pán)子上涂了一層白色的搪瓷。
