vessel pad, orifice carriers & trend stop 翻译? A vessel pad may be used with the transmitter diaphragm flush with the inside of the vessel. Connections to standard orifice carriers shall be 1/2". Spring-loaded, cylinder-operated ball or butterfly valves, with a trend stop (jack screw) shall be considered for On-Off service. 求助高手,vessel pad, orifice carriers & trend stop 怎么翻译?查看更多6个回答 . 3人已关注