wall thickness壁厚uniformity均匀度norminal size(DN)公称直径friction loads 摩擦载荷colorimetric 比色度deflection偏转 偏向 偏差centrifugally cast pipes离心铸管fitting管件flexible joint挠性接口flange joint法兰接口threaded flange螺纹法兰blind flange盲法兰branch 支管bolt螺栓butterfly Valves蝶型阀Air Venting 排气管Gate Valves 闸阀Socket & Spigot 承插spigot插头socket插座plug塞子gasket 垫片joint restraint连接件rubber gasket橡胶密封垫bell face钟面tensile strength抗拉强度proof stress屈服强度，安全限应力yield strength抗屈强度elongation延伸率impact resistance 抗冲击性ultimate strength 极限强度mechanical property 机械性能tensile test抗拉测试 charpy impact test沙尔皮冲击试验metallographic inspection金相检验hydraulic testing液压测试Hydrostatic testing水压测试spectral analysis频谱分析leak tightness test密封性测试（渗漏紧度）hardness test硬度测试Coke oven炼焦炉blast furnace高炉cupola化铁炉bubble-tight气密infiltration浸润 渗透thermal expansion and contraction热膨胀和收缩static casting静态铸造grinding碾磨heat treatment热处理molten熔融spheroidization球化cement motar lining水泥砂浆内衬slag cement 矿渣 熔渣水泥High Alumina Cement高铝水泥sulphate-resisting cement抗硫酸盐的水泥spheroidal graphite 球状石墨 epoxy环氧树脂polyethylene聚乙烯contaminant污染物tar焦油，柏油asphalt沥青bitumen沥青Styrene Butadiene Rubber丁苯橡胶sealant密封胶asphaltic paint沥青漆rust preventive coating防锈涂料bituminous沥青coke焦炭tuberculation水管积垢distilled water 蒸馏水magnesium镁 loose scale疏松磷绣，疏松的氧化皮laitance水泥浆curing养生cultivating养生zinc spraying喷锌induction furnace感应炉raw material原材料converter变频器，整流器centrifugal casting machine离心铸造机annealing furnace 退火炉anneal 退火interchangeability互换性soluble可溶性elastomeric弹性(垫片用弹性材料）ductility延性inert惰性的serrations锯齿状cavity洞，凹处rectify改正drill钻core挖。。。的核detrimental不利的，有害的warping翘曲，变形shrinkage收缩fillet weld填角焊接...
