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- Cork is often used for insulation. 栓皮經(jīng)常用作絕緣材料。
- Lead aprons shield people from radiation. 鉛做的工作裙可使人免進(jìn)輻射。
- 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。
- 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。
- He lied to the court to shield his friend. 他對法庭說(shuō)謊以包庇自己的朋友。
- Foam rubber provides good insulation. 泡沫橡膠隔絕性能良好。
- The sword glanced off the shield. 劍擦過(guò)盾牌。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活變得空虛。
- 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
- The type vacuum arcing chamber is miniaturization product, adopts copper and chrome contactor material, cup shape and longitudinal magnetic field structure, glass insulation case, sealing type shield barrel in the plate. 本型號真空滅弧室為小型化產(chǎn)品，采用銅鉻觸頭材料，杯狀縱磁場(chǎng)結構，玻璃絕緣外殼，盤(pán)片中間封接式屏蔽筒。
- 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
- Loss of electric current as a result of faulty insulation. 漏電由于絕緣不好而導致的電流流失
- A pad or shield of cloth worn over an eye socket or an injured eye. 護眼片，眼罩帶在眼窩或受傷的眼上的墊子或布片
- A pair of horizontal parallel lines drawn across a shield. 盾形紋章上的橫條紋畫(huà)在盾形紋章上的兩條水平的平行線(xiàn)
- shield insulation 護套絕緣
- This car polish is an effective shield against rust. 這種汽車(chē)上光蠟很有防銹作用。
