您要查找的是不是：
- suction ventilation system 吸入式通风系统
- Efficiency of the ATK Evaporative cooling ventilation system. ATK水濂蒸发式冷却通风系统的主要功能
- Construction of Mine Ventilation System in Zhaojin (Group) Co. 招金(集团)公司矿井通风系统建设。
- Operating under effective ventilation system or wear carbon mask. 有效抽风或配戴防毒口罩。
- The crankcase ventilation system carries fresh air through the crankcase. 曲轴箱通风系统要携带新鲜的空气通过曲轴箱。
- The new winter ventilation system consisted of a perforated plastic tube. 新的冬季通风系统由带孔的塑料管组成。
- The office has recently been refurbished and the ventilation system improved. 这间办公室最近重新修缮油漆过, 通风系统得到了改善。
- The new winter ventilation system consisted of a perforated plastic tube . 新的冬季通风系统由带孔的塑料管组成。
- Variable air volume(VAV) ventilation systems. 变风量通风空调系统。
- The crankcase ventilation system for 4-stroke motorcycle should be improved. 四冲程摩托车用曲轴箱通风系统应当改进。
- What's the requirement for the forced ventilation system for crankcase? 发动机曲轴箱强制通风的要求？
- Adopted unique ventilation system and rotational direct current motor stabilize the hot airflow. 采用独特的导风系统及旋转式直流电机,恒定预热风量。
- But then farms began to use new ventilation systems. 但然后农民开始使用新的通风系统。
- Adopted unique ventilation system and non-carbonate direct current motor stabilize the hot airflow. 采用独特的导风系统及无碳刷直流电机,恒定预热风量。
- Experience with cooling, heating and ventilation systems. 有制冷，供暖及排风系统维护经验。
- Without the cooling and ventilation system,things get hot quickly under the unrelenting desert sun. 可是如果没有这些冷却和散热系统的话，在无情的沙漠阳光的炙烤下，所有的设施很快就会被晒热。
- Applicable for intermediate filtration of Pharmacy, Electronic, Food and common air-conditioning ventilation system. 适用于制药、电子、食品行业和空调通风系统的中级过滤。
- There is no ventilation system and fire extinguisher for cylinder room which contains inflammable and dangerous gas. 放置易燃气体、危险气体的气瓶间无通风措施,且无灭火器。
- Numerical Study of the Efects of Size of Inlets and Outlets of Ventilation System in Experimental Space Station Cabin. 空间站实验舱进出风口大小影响的数值研究。
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
