?特性阻抗    characteristic impedance

?木炭铁    charcoal iron

?木炭炼生铁    charcoal pig iron

?填充阀,充气阀    charge valve

?给气压力    charged air pressure

?给气温度    charged air temperature

?充添,充电    charging

?充放电盘    charging and discharging board

?充电设备    charging equipment

?充填压力(气压检查法)    charging pressure

?充电间    charging room

?充电[用]配电板    charging switchboard

?沙比冲击试验    Charpy impact test

?海图,图表    chart

?海图室    chart house (or room)

?海图灯    chart lamp

?海图架    chart rack

?海图桌    chart table

?海图镇纸    chart weight

?包租    charter

?租船市场    charter market

?用船契约,用船契约书    charter party

?租船者,租船主    charterer

?螺纹刀    chaser

?螺纹刀具    chasing tool

?锁[紧螺]帽    check (or jam, or lock ) nut

?锁[紧螺]帽,并紧螺帽    check (or jam, or lock) nut

?限制环    check (or limiting) ring

?防松螺栓    check bolt

?制动舵柄    check helm

?校对线    check line

?校对标志    check mark

?锁销    check pin

?防松板    check plate

?防松索    check rope

?止回阀    check valve

?网纹板    checkered plate

?化学分析    chemical analysis

?化学品船    chemical carrier (or tanker)

?化学清洗    chemical cleaning

?化学清洗泵    chemical cleaning pump

?化学热渍硬焊    chemical dip brazing