?涂装,包覆    coating

?包覆料,涂料    coating material

同轴电缆    co-axial cable (or concentric cable)

?共轴转动    co-axial drive

?同轴输送线(雷达)    co-axial transmission line

?旋塞    cock

?惰轮    cock (or idle) wheel

?软木碰垫    cock fender

?惰轮    cock wheel (or idle wheel , or idler)

?艉桥    cocking bridge

?艏艉部上跷变形    cocking-up

?艉凹舱(小艇)    cockpit

?椰皮垫    coco mat

?椰皮垫    cocoa mat

?椰子油    cocoa oil

?化学需氧量    COD (= chemical oxygen demand)

?龟裂开口位移    COD (= crack opening displacement)

?柴油燃气涡轮    CODAG (= combined diesel and/or gas turbine)

?电码簿    code book

?信号旗    code flag

?号码代字    code letter

?美国联邦法规    code of federal regulations

?柴油燃气涡轮组合机    CODOG (= combined diesel on gas turbine)

?系数    coefficient

?收缩系数    coefficient of contration

?动[力]黏度系数    coefficient of dynamic viscosity

?膨胀系数    coefficient of expansion

?肥瘦系数    coefficient of fineness (or fullness)

?波动系数    coefficient of fluctuation

?摩擦系数    coefficient of friction

?热对流系数    coefficient of heat convection

?传热系数    coefficient of heat transmission

?[运]动黏度系数    coefficient of kinematic viscosity

?线膨胀系数    coefficient of linear expansion

?性能系数    coefficient of performance

?黏度系数    coefficient of viscosity

?膨胀系数    coeffient of expansion

?堰舱,围堰    cofferdam

?镶齿轮    cog wheel

?复合燃气涡轮机    COGAG (= combined gas turbine and/or gas turbine)

?组合燃气涡轮机    COGOG (= combined gas turbine or gas turbine)

?齿轮泵    cogwheel pump