According to the ventilation resistance distribution and production plan, the optimum ventilationplan was selected after comparison.
根据千秋矿通风阻力分布和生产布置，对通风方案进行比较，优化选择。
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And the apartments are models of open-plan living, lofts in advance of fashion, except with better natural light, greater ventilation, more common sense, and a happier mood.
A plan is proposed for improving crankcase ventilation and oil consumption of 4105 diesel engine. Verification test proved that the plan is effective and has been applied in mass production.