exhausting duct meaning in English

排泄沟道

Grease filters for exhaust ducts
排气管道用油脂过滤器
Its water spray system protects the exhaust duct from catching fire , highly reducing fire hazard
自动循环水系统,能防止烟罩及排风管道着火,有防火功能
5 acid and solvent storage cabinets need to be vented . these cabinets shall be connected directly to an exterior exhaust duct above the fume hood trim or balancing damper
酸柜和溶剂柜根据情况需要有通风装置。可以直接连接到通风柜排气系统中去。
1 the laboratory exhaust system includes exhaust duct works , exhaust fan , laboratory fume hood exhaust , laboratory canopy hood and cabinets needed venting
实验室排气系统包括排气管路、排气风机、实验室通风柜管道、实验室排风罩和特殊存储柜的排气管道。
The results show that the exhaust duct , the exhaust plume and the ship hull are the three main ir radiation sources on naval ship which are the main objects to be controlled , and that the control techniques for the ship hull , the active cooling technology is one of the ideal control strategies
结果表明：烟囱管壁、排气烟羽和舰船表面是舰船的三大红外辐射源，是舰船红外辐射的主要控制对象；针对舰船表面的红外辐射，主动冷却技术则是较为理想的控制策略之一。