The work principle, characters, work parameters of new screw-type air compressors with air cooling are introduced, as well as the usage results in caustic soda production.
介绍了新型风冷型螺杆式空气压缩机的工作原理、特点、工作参数及其在烧碱生产中的应用效果。
A. Provide standard steel doors and frames manufactured by a single firm specializing in production of this type of work, unless otherwise acceptable to the Royal Commission.
提供的标准钢质门和门框需由同一家专业生产此类产品的企业，除此之外需得到皇家委员会的许可。
Our development and production of hydraulic clamp-type pressure test device, widely used in the tests related well control equipment, pressure test work.
我公司研制生产的液压卡箍式试压装置，广泛应用于相关井控设备的试验，试压工作。
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