常見例句雙語例句The relationships between C, Si contents and ferrite amount in centrifugal cast ductile iron pipe produced with resin-bonded sand mould are briefly presented.簡述了在樹脂砂型離心鑄造球鐵管時，管中碳、硅含量與鑄態(tài)鐵素體含量問的關(guān)系； 返回 ductile cast-iron pipe