stuffing box bushing 中文意思是什麼
stuffing box bushing
解釋
填料襯套-
Shipbuilding. kingston valves. stuffing box, gland and bushing
造船工業. "金士頓"閥門.密封墊壓蓋和套 -
Stuffing box bushing
填料函襯套
分享友人