时间:2011-02-23 15:18来源:蓝天飞行翻译 作者:航空 点击:次
drain /dre.n/ noun a device to allow fluid to escape from its container . When the cabin is pressurised the drains close, preventing loss of pres-sure. . verb to allow fluid to escape by providing a hole or tube, etc., through which it can pass . The moisture drains in the lower skin of the cabin are open when the cabin is unpressurised, allow-ing moisture to drain. drainage /dre.n.d/ noun 1. the act of allowing a fluid to escape from its container . Drainage of water from the fuel system should be carried out before the first flight of the day. 2. a system of outlets for fluid such as water or fuel to pass out of a closed area draught /drɑft/ noun a local current of air . a down draught or an updraught (NOTE: This word is written draft in US English.) draw /dr./ verb 1. to make a picture as with a pencil, on paper, etc. . Because there is a temperature gradient across each front it is possible to draw iso-therms which reduce in value from warm to cold air. 2. to pull or to take . Fluid is drawn into the pump body. 3. to pull towards oneself (NOTE: drawing – drew – drawn) drift /dr.ft/ noun movement away from the desired course, created by wind blowing at an angle to the intended direction of flight . If the wind direction is not the same as the aircraft track or its reciprocal, then the aircraft will experience drift. . verb to move away from the desired course . When landing, a cross-wind from the right will cause the aircraft to drift to the left. drill /dr.l/ noun 1. a short series of actions carried out in a particular sequence . The starting drill varies between different aircraft types and a starting check procedure is normally used. 2. a tool, often electrically pow-ered, for making holes in metal, wood, etc. drive /dra.v/ noun a series of con-nected devices that transmit power to the wheels, propellers, etc. . Rotation of the engine for starting is done by an electric starter motor connected to a drive shaft in the accessories gearbox. . verb 1. to make something move or turn . shaft-driven using a rotating shaft as a means of transmitting power from one part to another, e.g. from a turbine engine to a helicopter rotor 2. to control
drogue parachute /dr.υ pr..ut/ noun a small parachute used in releasing a larger parachute from its pack |