the silver tube electrode 银管电极
Copper-silver alloy wires for fuse-tube 保险管用银铜合金丝
silver drainage tube 银质引流管
Proprietary ceramic tube sockets with silver contacts.
专有的陶瓷管插座与银接触。
Silver brazing Method: Apply brazing wire or rod at point where tube enters valve socket.
银钎焊法：将焊线或焊杆点在阀门里的管道套座上。
The concentration of Amur silver grass black liquor to about 45% is made possible in long-tube-rising-film evaporators by employing proper black liquor re-cycling techniques.
长管升膜蒸发器浓缩全获浆黑液，采用大、小循环间断出浓黑液的方式生产浓度45％左右的浓黑液是可行的。
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