At the same time too low pressure unlucky, high ceiling for Kyrgyzstan, or will affect the business development, at the same time a bad ventilation effect, working environment and mood.
同时太低有压迫感不吉利，天花板高为吉，不然会影响业务的推展，同时通风较不良，影响办公环境和心情。
Inside the tube you create a low pressure environment very similar to an airplane that's at high altitudes.
在管道内部我们会创建低压环境，类似于在高海拔飞行的客机。
The high pressure jet cement stabilized piles enjoy the advantages of quick construction, low cost, easy operation and little impact on environment.
粉喷桩具有施工进度快、费用低、操作简单、对环境影响小等优点；
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