For the problems existing in the duct hydraulic calculation of smoke extraction systems, presents a simplified method for duct hydraulic calculation based on the analysis of frictional resistance and local resistance.
针对目前排烟系统风管阻力计算中存在的问题,从沿程阻力和局部阻力的角度,提出了排烟系统风管阻力的简化计算方法。
the ship made little headway against the gale.
大风阻碍了船的前进。
Determination of leakage rate and specific resistance for mine air duct
GB/T15335-1994矿用风筒漏风率和风阻的测定方法
By determining the ventilation resistance of the mine shaft ventilation system, it is found that the ventilation resistance in return airways is particularly large and the ventilation degree is middle.
通过对矿井通风系统进行通风阻力测定,发现矿井回风段通风阻力过大且通风难易程度为中等。
Determination of Ventilation Resistance and Measures of Reducing Mine Ventilation Resistance in Muchengjian Coal Mine
木城涧矿通风阻力测定及降低矿井通风阻力对策
"He who keeps secret the secret of his friend, will get himself a name for good faith."
想拦阻她的，便是拦阻风，也是右手抓油。
Whosoever hideth her hideth the wind, and the ointment of his right hand, which bewrayeth itself.
想拦阻他的，便是拦阻风，也是右手抓油。
All right. See you tomorrow, rain or shine.
好，明天见，风雨无阻。
I work both on sunny days and on rainy ones.
我风雨无阻地工作。
full auto choke system (FACS)
全自动阻风门控制系统
The meeting has been announced for tomorrow evening, rain or shine.
会议定在明晚，风雨无阻。
Traffic was interrupted by a snow storm.
交通被暴风雪阻断。
KJV] Whosoever hideth her hideth the wind, and the ointment of his right hand, which bewrayeth itself.
[新译]谁要拦阻她，就像拦阻风，也像右手抓油。
He who would restrain her restrains the wind, And grasps oil with his right hand.
箴27:16想拦阻他的、是拦阻风、是右手抓油。
[NIV] restraining her is like restraining the wind or grasping oil with the hand.
16[和合]想拦阻她的，便是拦阻风，也是右手抓油。
Friction index: close to galvanized iron duct.
沿程摩阻系数：沿程摩阻系数接近镀锌铁皮风管。
Study of Pressure Loss Coefficient in HVAC Fittings;
通风管道局部构件阻力系数及减阻方法研究
Experimental and Numerical Study on the Mechanism of the Reducing Pressure Drop Stick in Cyclones;
旋风分离器减阻杆减阻机理的实验和数值研究
The linkage rides to the end of the slot with enough force to break the choke valve away from the full-choke position.
连杆移动至槽的一端，用足够的力推动阻风门全部离开全阻风位置。