dust free gas的意思|示意

The thermostat should work in environment with humidity not higher than 90%, free of caustic, flammable gas and conducting dust.

温控器应工作于空气相对湿度不大于90%、无腐蚀性气、可燃性气体和导电尘埃存在的一般室内环境。

With low heating efficiently and room temperature, free from noise, the burnt gas and dust, the clean, fresh kitchen environment ensures the user's health.

超静音设计，无燃烧废气、烟尘排放，热能损耗小，室温低，空气清新，厨房环境大大改善，厨师健康有保障；

For trouble free operation, engine must be supplied with producer gas that is sufficiently free from tars, dust and acids.

对于无故障操作，引擎必须与制片气体，足够的焦油，尘埃和酸免费提供。