Ink sample must be kept in air-tight glass or metal container to avoid contamination and oxidation.
提交之样品必须密封在玻璃或金属容器内,避免样本污染及氧化.
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We recommend storing beans in a clean, dry, air-tight container, in a cool dark place.
我们建议应把咖啡豆保存在干净 、 干燥 、 密封的容器中, 并应放在避光的地方.
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拆开包装后立刻将茶叶放入密封的金属容器中.
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优质保温材料,高密封设计,避免不必要的能量损耗.
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Good air-proof performance. The electrical parts inside the shell can be used safely.
密封性能良好, 能有效保护壳内电器部件的安全使用.
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The company reformed system on the basis air-blower plant of the air separation group of Kaifeng.
鼓风机有限公司是在开封空分集团 鼓风机 厂基础上改制而成.
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After cleaning and filling, the laminated plastic tubes are sealed with hot air.
在清洁和填装之后, 使用热气来密封夹层塑料管筒.
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An airmail letter to China normally costs 50 cents, but this letter seems a bit thicker.
寄往中国的航空信一般是50美分, 不过这封信好像厚一点.
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Turning back, he took out the letter and read it again beneath a lamp.
转身回来的路上, 他把那封信取出来,就着街灯又读了一遍.
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This was the system that produced " the facts " in Geneen's leather-bound monthly report.
这就是为吉宁的皮封面月度报告提供 “ 事实 ” 的体制.
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