?美国化学学会 ACS (American Chemical Society, U.S.A.)
?天灾 act of god
?作用面,压力面,推进面(螺桨) acting (or driving) surface (or face)
?作用面 acting face
?推进面(螺桨) acting surface
?主动舵 active rudder
?主动式声纳 active sonar
?实际效率 actual efficiency
?实际节距,实际螺距 actual pitch
?实际螺距 actual pitch
?实际喉深(焊接) actual throat
?实际推力 actual thrust
?天灾 act of god
?作用面,压力面,推进面(螺桨) acting (or driving) surface (or face)
?作用面 acting face
?推进面(螺桨) acting surface
?主动舵 active rudder
?主动式声纳 active sonar
?实际效率 actual efficiency
?实际节距,实际螺距 actual pitch
?实际螺距 actual pitch
?实际喉深(焊接) actual throat
?实际推力 actual thrust
?作动试验 actuation test
?致动器 actuator
?气垫船 ACV (= air cushion vehicle)
?自动设计 AD (= automated design)
?德国压力柜制造协会 AD (Arbeitsgemeinschaft Druckbehaelter, Germany)
?亚当逊接头(锅炉) Adamson‘s joint
?亚当逊环(锅炉) Adamson‘s ring
?转接器,接合器,接头 adapter (or adaptor)
?适应控制 adaptive control
?附加质量 added mass
?附加惯性矩 added moment of inertia
?[增]加重[量]计算法 added weight method
?齿冠,齿顶,节在线齿 addendum
?齿冠圆,齿顶圆 addendum circle
?附加深纵桁 additional girder
?附加强度,加强 additional strength
?加强结构 additional strengthening
?额外检验 additional survey
?加力涡轮机 additional turbine
?附加大肋骨 additional web
?黏着力 adhesion
?黏着剂 adhesive (or adhesive paste)
?绝热变化 adiabatic change
?绝热压缩;定热压缩 adiabatic compression
?绝热效率 adiabatic efficiency
?绝热引擎 adiabatic engine
?绝热膨胀,定热膨胀 adiabatic expansion
?绝热膨胀;定热膨胀 adiabatic expansion
?可调[整]轴承 adjustable bearing
?可调[变]电容器 adjustable condenser (or variable condenser)