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1·Double wall hopper designed, low noise.

投料双层设计，减少噪音。

2·This is a large on-going double wall pipe project.

这是一个很大的正在进行的双重管线项目。

3·This double wall protects the teaching facilities from sun exposure.

这面双层墙体保护教学设施免受阳光直射。

4·The Elutron Plasteel tank is a trade mark double wall steel GRP tank.

多用途直线加速器塑料桶是一个卓越的双壁玻璃钢罐。

5·Most early installations have been in double wall pipes or tanks systems.

早期大多数都安装在双重管网和储油罐系统中。

6·Double wall vacuum-insulated keeps water hot while saving energy and money.

双层真空隔热保持热水，同时节省能源和金钱。

7·He hid his hard-earned two thousand yuan cash inside a double wall in his apartment.

他把辛苦得来的二千元现款藏在住处的夹层墙里。

8·The filter medium (100) is employed with double wall, concentric tube type strainer modules (16).

过滤介质(100)与双壁、同心管状各过滤模块(16)一起使用。

9·With this seven ply line, single wall, double wall and triple wall corrugated board can be produced.

七层瓦楞纸板生产线，可以生产三层，五层及七层瓦楞纸板。

10·The double wall incubators had advantages as far as decreasing heat loss and decreasing heat production.

双层墙壁保温箱的优点有减少热散失及减少热产生。