Seat face Stellited, ground and lapped to a mirror finish.
钨铬钴合金面阀座，经过研磨抛光达到镜面抛光度。
Seat face Stellited, ground and lapped to a mirror finish.
阀座面为钨铬钴合金，经过研磨抛光达到镜面光洁度。
Holding a traditional conference, the conferees have to come together and seat themselves face-to-face.
传统的会议召开方式都要求与会者必须面对面坐在一起进行。
Holding a traditional conference, the conferees have to come together and seat themselves face-to-face.
传统的会议召开方式都要求与会者必须面对面坐在一起进行。
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