Any mechanical equipment, by the natural environment, geographic condition, the influence of air temperature, produce some unfavorable factors for product performance, quality.
任何机械设备，都会受到自然环境、地理条件、空气温度等条件的影响，产生一些对产品性能、品质不利的因素。
Any mechanical equipment, by the natural environment, geographic condition, the influence of air temperature, produce some unfavorable factors for product performance, quality.
任何机械设备，都会受到自然环境、地理条件、空气温度等条件的影响，产生一些对产品性能、品质不利的因素。
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