介绍了几种型式的防爆膜，并对硝基甲烷蒸馏釜的防爆装置进行了设计计算。
Several type of explosion -proof membrance is recommended. The explosion -proof membrance unit of nitro-methane distillation tower are designed and calculated.
她的项目目标是为120个家庭提供太阳能脱盐蒸馏釜，以改善家乡的饮用水质量。
Her project's goal was to provide solar desalination stills in 120 homes to improve the quality of drinking water in her home country.
煤焦沥青Coal tar：煤焦沥青是炼焦的副产品，即焦油蒸馏后残留在蒸馏釜内的黑色物质。
Coal tar is a by-product of coking, namely tar distillation residue in distillation kettle black material.
煤焦沥青Coal tar：煤焦沥青是炼焦的副产品，即焦油蒸馏后残留在蒸馏釜内的黑色物质。
Coal tar is a by-product of coking, namely tar distillation residue in distillation kettle black material.
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