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。
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。
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。
Double wall hopper designed, low noise.
投料双层设计，减少噪音。
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。
The idea that double-wall construction could never work in power tool design was broken!
于是双层结构绝不可能应用于电力工具的观念，就此被打破了！
The idea that double-wall construction could never work in power tool design was broken!
于是双层结构绝不可能应用于电力工具的观念，就此被打破了！
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