您要查找的是不是：
- forced draft ventilation 强制通风
- Boilers are also classed as natural or forced draft types. 锅炉还可分成自然的或动力的通风类型。
- It was considered to be feasible applying natural draft ventilation in small mine applying adit devebopment in mountainous region , in particular environment . 并认为,山区平硐开拓的小矿山,在一定条件下,采用自然通风是可行的。
- The condensate flows to a forced draft cooling tower3 where about 80 % is evaporated, depending on weather conditions. 凝结水流至一强迫通风冷却塔,约80%25被蒸发掉,这要取决于天气条件。
- But, the exhauster in combination with forced draft system can inhibit more efficiently the spread of fire/smoke though periodical attenuation is found during the inhibition. 加压送风系统与机械排烟同时使用，能有效遏制烟气蔓延，并出现周期性衰减的情况；
- "A Bellows operated by an assistant or by a foot treadle provided the forced draft for raising the temperature of the fire.Later, a waterwheel or animal power was often used to operate the Bellows. 用手动或脚踏风箱供给强制气流,以提高火焰温度,后来用水轮机或兽力带动风箱。
- Feasibility of applying natural draft ventilation in Taopinghe phosphate mine 桃坪河磷矿采用自然通风的可行性研究
- Simulation of Boiler Forced Draft and Induced Draft Control System 基于总和时间常数法的送引风控制系统仿真
- AN EXAMPLE OF STALLING FAULT IN A FORCED DRAFT FAN OF ONE BOILER 锅炉送风机失速故障一例
- Improvement on Seal in Bearing Box of Forced Draft Fan 送风机轴承箱密封的改进
- This is a room with good ventilation. 这是个通风良好的房间。
- Now let's draft the contract and then sign it. 那么我们起草合同，然后签字。
- The singer forced his low notes. 那位歌手勉强唱出低音。
- He emptied the glass at on draft. 他一口气喝完了那一大杯。
- L/c is payable against your draft. 信用证凭汇票付款。
- A terrible storm forced the ship to put back. 可怕的风暴迫使这条船返航了。
- I was forced to sign the agreement against my will. 我被迫违心地在协议上签了字。
- Research Situation of Dynamic Forced Draft Installation 动态送风装置的研究现状
- A preliminary draft or record of a transaction. 条约草案合约的预备性的草案或纪录
- The town was forced to yield after a long siege. 该城受长期围困而被迫弃守。
