a canon who receives a prebend for serving the church.
为教会服务而受俸禄的加农。
The purpose of prebending process of longitudinal submerged arc welding pipe production line is introduced;character of roller prebending and mould press type prebending is analyzed.
对螺旋埋弧焊钢管在生产过程中产生咬边的原因进行了分析,提出了针对这些原因应采取的相应措施。
a canon who receives a prebend for serving the church.
为教会服务而受俸禄的加农。
The purpose of prebending process of longitudinal submerged arc welding pipe production line is introduced;character of roller prebending and mould press type prebending is analyzed.
对螺旋埋弧焊钢管在生产过程中产生咬边的原因进行了分析,提出了针对这些原因应采取的相应措施。
探索常用高频词汇