标准查询 标准查询造船.里面装有可以驱动内燃机车辆的货运舱的通风设备.气流总需要的理论计算
Shipbuilding; ventilation of cargo spaces where internal combustion engine vehicles may be driven; calculation of theoretical total airflow required
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标准查询Shipbuilding; ventilation of cargo spaces where internal combustion engine vehicles may be driven; calculation of theoretical total airflow required
