corrosion failure,腐蝕破裂

corrosion-proof instrument,防腐式儀器儀表

corrosion testing machine,腐蝕試驗机

corrosive atmospheres test,腐蝕性大气試驗

cosine collector,余弦收集器

cosine radiator，余弦輻射体

cost control,成本控制

cost-effectiveness analysis,費用效益分析

cost performance,性能价格比

costate variable,共態變量

coulometer,庫倫表

coulometric analysis,電量分析（法）

coulometric analyzer,電量式分析器

coulometric titration,電量滴定

Coulumb interaction,庫侖作用

count of acoustic emission event,聲發射事件計數

counter type superconduction magnetometer,計數式超導磁力儀

counterweight,配重

counting anemometer,計數風速表

counting rate,計數率

counting rate meter,計數率計

counting-shallow-layer seismograph,計數型淺層地震儀

couplant,耦合劑；耦合介質

couple unbalance,偶不平衡

coupled chamber method reciprocity calibration,耦合腔法互易校准

coupled modes,耦合振型

coupled simultaneous techniques,串接聯用技術；同時聯合串用技術

coupled system,耦合系統

coupled vibration,耦合振動

coupler,耦合腔

crank balancing machine,曲軸平衡机

crack propagation strain gauge,裂紋擴展應變計

cracking pattern,碎裂圖型

crate,机箱

crate address,机箱地址

crate controller,机箱控制器

crate controller type A1,A1型机箱控制器

creep,蠕變恢复

creep rupture strength,持久強度；蠕變斷裂強度

creep rupture strength testing machine,持久強度試驗机

creep strength,蠕變強度

creep tesing machine,蠕變試驗机

creeping of aneroid barometer,空盒气壓表的滯后現象

crest factor,峰值因數

critical damping,臨界阻尼

critical evaporator,臨界點干燥器

critical flow,臨界流函數

critical flow measurement,臨界流量測量

critical flow nozzle,臨界流噴嘴

critical pressure differential,臨界壓差

critical pressure differential ratio,臨界壓差比

critical pressure ratio,臨界壓力比

critical resistance,臨界電阻

critical speed,臨界速度

critical stability,臨界穩定性

critical stable state,臨界穩定狀態

critical temperature coefficient thermistor,臨界溫度系數熱敏電阻器

critical temperature thermistor,臨界溫度熱敏電阻器

critical value of precipitation rate of salt spray,鹽霧沉降率界值

critical viscous damping,臨界粘性阻尼

cross-beam,橫梁

cross compiling/assembling,交叉編譯/匯編

cross-correlation flowmeter,互相關流量計

cross-correlation function,互相關函數

cross lines timer,橫線式時標

cross-section ionization detector,离子截面積檢測器

crossover frequency,交越頻率

crossover of electron gun,電子槍交叉點

crossover of load characteristic,負載特性交疊

crosstalk,串扰

CRT display device,CRT 顯示器

CRT display terminal ,CRT顯示終端

cryogenic device,低溫裝置

cryostat,低溫槽

crystal,振子；晶片；晶体

crystal grationg,晶体光柵

crystal microphone,晶体傳聲器

crystal pressure transducer,晶体壓力傳感器

crystalline electrode,晶体電极

cup anemometer,風杯風速表

cupping testing machine,杯突試驗机

current,海流

current bottle,漂流瓶

current center,電流中心

current circuit(of a measuring instrument),（測量儀表的）電流電路

current constant,電流常數

current direction,海流方向；電流方向

current error,電流比值差

current limiting threshold,限流閾（值）

current line,測流繩

current matching transformer,電流匹配互感器

current meter,海流計；流速計

current pole,測流標杆

current sensitivity,電流靈敏度

current stability,電流穩定度

current transformer,電流互感器

current velocity[speed],海流速度

cursor,光標