封的例句大全

The line being butyl rubber results in the effect of excellent ageing resistance, tightness and insulation.

胶层为丁基橡胶,具有优异的耐老化性 、 密封性和绝缘效果.

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The goods were packed in airtight container.

这些货物装在密封的集装箱里.

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Yes, I want to send a registered airmail letter to France.

是的, 我要寄封到法国的航空挂号信件.

轻松英语会话---联想3000词(下)

I want t send a registered airmail letter to france.

我想往法国寄一封航空挂号信。

provided by jukuu

I'd like to send a registered airmail letter to Beijing.

我想寄一封去北京的航空挂号信.

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Yes, I want to send a registered airmail letter to China.

哦，我想寄一封中国的航空挂号信。

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B : Yes , I want to send a registered airmail letter to France.

是的, 我想往法国寄一封航空挂号信.

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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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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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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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What is the postage for an air letter?

寄一封航空信的邮费要多少?

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The curative agent system is completely closed and air proof.

涂胶机固化剂系统,为全封闭系统,杜绝了空气的混入.

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The whole system is air-proof.

整个系统密封性好.

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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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Adoption of top-quality insulating materials and highly air-proof design can avoid unnecessary loss of energy.

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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Transfer the tea leaves in a clean air-tight metal container immediately after opening this paper bag.

拆开包装后立刻将茶叶放入密封的金属容器中.

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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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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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The process of Ni alloy build-up welding to improve the valve's sealing face was introduced.

详细介绍了一种改善旋转止回阀密封面性能的镍基 堆焊 工艺.

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We have special Closed cell foam as the best shock absorbing properties.

我们有特别的封闭泡沫细胞为最佳减震性能.

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