时间:2011-02-23 15:20来源:蓝天飞行翻译 作者:航空 点击:次
. The crankshaft turns through 720° for every cycle of four strokes. . turn the knob rotate the knob or control 3. . to turn (in)to to change state . As it descends into warmer air, snow turns into rain. 4. to find a page, section, pas-sage, etc., in a book . Turn to page 64. . in turn 1. for its or their part . Drag must be overcome with thrust, which requires engines, which in turn con-sume fuel. 2. one after the other . Turn off the magnetos in turn to check their serviceability. turnaround /tn.raυnd/ noun US same as turnround turn coordinator /tn k.υ .d.ne.t./ noun an instrument that shows the pilot if the aircraft is in coor-dinated flight or if it is slipping or skid-ding turn off /tn .f/ verb 1. to switch an electrical device or system ‘off’ . When carrying out engine checks, turn off the magnetos in turn to check their service-ability. 2. to stop the flow of something by using a valve . Turn off the fuel. turn on /tn .n/ verb 1. to switch an electrical device or system ‘on’ . Can you turn the light on or turn on the light? 2. to start the flow of something by using a valve . Turn on the fuel. turnround /tnraυnd/ noun unloading, loading and preparing an aircraft for another flight and the time taken to do this (NOTE: The word turna-round is preferred in US English.) twin engine aircraft /tw.n end.n e.krɑft/, twin-engined aircraft /tw.n end.nd e.krɑft/ noun an aircraft with two identical engines twist /tw.st/ verb to turn against resistance . Centrifugal, bending and twisting forces act on a propeller during flight. TWR abbreviation aerodrome control tower type /ta.p/ noun 1. a sort or kind . Temperature and oil pressure are criti-cal to any type of system. 2. a class of things having shared characteristics . The type of undercarriage fitted to an aircraft is governed by the operating weight. . type of aircraft or aircraft type all aircraft of the same basic design type certificate /ta.p st.f.k.t/ noun a document issued by an aviation authority which indicates that the design of a certain aircraft, engine etc has been approved type certificate data sheet noun a document associated with a type certif-icate, giving information about why the certificate has been granted and general information about the design which has been approved. Abbreviation TCDS type rating /ta.p re.t../ noun authorisation, usually entered on a licence, which allows the pilot to fly a particular aircraft type typical /t.p.k(.)l/ adjective 1. nor- mal, standard . a typical fuel system a standard type of fuel system 2. repre-sentative of a particular class of things . The Piper Archer is a typical single-engine light aircraft. tyre /ta../ noun a rubber covering for a wheel (NOTE: The US spelling is tire.)
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