Cab deflector shield||駕駛室導流板
Cab fairing||駕駛室整流罩
Cab floor||駕駛室地板
Cab mounting||駕駛室懸置
CAD(Computer Aided Design)||計算機輔助設計
CAE (Computer Aided Engineering)||計算機輔助工程設計
Calibration tolerance||校準公差
Calibrating instrument||校準儀表
Camouflage paint||覆面漆, 蓋面涂料, 偽假漆
Cantilever beam impact test||懸臂梁沖擊試驗
Carbon-felt reinforced carbon composites||碳氈增強碳復合材料
Carbon fiber clutch||碳纖維離合器
Carbon filament cloth||碳絲織物
Case extension||外殼的伸出部分，延伸外殼
Casing gasket||外殼密封墊
Catalyst manifold||固化劑總成
Catalyst pump||固化劑泵
Catalyst ratio||固化劑比率
Cavity||模槽，型腔；凹模
Cavity block||陰模
Cavity depth||模槽深度
Cellular board||蜂窩狀板，多孔板
Cellular plastics||泡沫塑料，多孔塑料
Centre boss||輪轂
Centre pin||銷軸，樞軸，主銷
Centrifugal casting moulding||離心澆鑄成型
Centrosymmetry||中心對稱層板
Ceramic matrix composites||陶瓷基復合材料
Charge||填充氣體，填充料
Chasis||底盤；機殼，車架
Chlorinated polyethlene||聚氯乙烯
Chopped fiber||短切纖維
Chopped random mat||短切無序氈
Chopped strand||短切原絲
CIRTM(Co-Injection RTM)||共注射RTM
Clamping fixture||夾具，夾緊裝置
Clamping force||夾持力，合模力
Class A surface||A級表面
Clear coat||透明涂層，透明罩漆，清漆層
Clear coat finish||清漆涂層
Clicker die||沖模
Climb milling||同向銑削, 順銑
Clipping press||切邊壓力機
Closure pressing speed||合模速度
CMM(Closed Mould Moulding)||閉合模塑
CMT(Compression Molding||擠壓成型工藝
CNC(Computerized Numerical Control）||電腦數值控制
Coarse grinding||粗磨，用砂輪初加工
Coating defect||涂層缺陷
Collision test||碰撞試驗，撞車試驗
Combination property||綜合性能
Concept design||概念設計
Convection modulus||對流模量
Convergence test||收斂試驗
Cooling fixture||冷卻夾具
Cooling tower||冷卻塔
Crazing||龜裂，細裂紋
Cresol resin||甲酚樹脂
Cutting felt||氈的剪切
Cutting-off bushing||環形下料模; 下料環