形点焊钳C-type welding head/ C-type gun    C

碳弧气割    carbon arc air gouging

碳弧切割    carbon arc cutting

碳当量    carbon equivalent

二氧化碳气体保护电弧焊    carbon-dioxide arc welding; CO2 arc welding

碳化焰    carburizing flame

铜芯铸铁焊条    cast iron electrode with steel core

阴极    cathode

阴极压降    cathode drop

阴极区    cathode region

阴极斑点    cathode spot

连续冷却转变图（    CCT图）continuous cooling transformation

陶瓷喷涂    ceramic spraying

并列断续角焊缝    chain intermittent fillet weld

装药密度    charge density/ loading density

锯齿形裂纹    chevron cracking

敲渣锤    chipping hammer

斩波阻焊电源    chopped wave resistance welding power source

铬当量    chromium equivalent

焊工锰中毒    chronic occupational manganese poisoning of welder

滚轮电极    circular electrode/ welding wheel

环形槽裂纹试验    circular-groove cracking test

圆形镶块裂纹试验    circular-path cracking test

敷钎料板    clad brazing sheet

覆板（覆管）    cladding plat (tube)/ flyer plate (tube)

覆板速度    cladding plate velocity

夹紧力    clamping force

阴极清理作用    cleaning action of the cathode

离焦量    clearance between focal point and (plate) surface

填缝性试验    clearance fillability test

解理断口    cleavage fracture

无间隙接头    closed joint

预热器CO2 heater    CO2

二氧化碳弧焊机    CO2 arc welding machine

粗丝    CO2焊 CO2 arc welding with thick wire

细丝    CO2焊 CO2 arc welding with thin wire

粗晶区    coarse grained region

药皮    coating (of an electrode)/ covering (of an electrode)

涂料    coating flux/coating material

钴基合金堆焊焊条    cobalt base alloy surfacing electrode

裂纹张开位移（    COD）crack opening displacement

热能集中系数    coefficient of heat flow concentration