Industrial process measurement and control instrument . series of nominal working pressure 工業(yè)自動化儀表.公稱工作壓力值系列
Hydraulic fluid power - plain - end , seamless and welded precision steel tubes - dimensions and nominal working pressures iso 10763 : 1994 液壓傳動.端面平齊的無縫和焊接型精密鋼管.尺寸和標