J41H 型 PN16~PN160 鋼制截止閥 J41Y 型 PN16~PN160 鋼制截止閥 J41W 型 PN16~PN160 鋼制截止閥 J41H、J41Y、J41W 國標(biāo)截止閥 J41F-16C/J41F-16R 鋼制截止閥 J41N 燃?xì)鈱S媒刂归y J41F4-16、J41F46-16 襯氟截止閥 WJ41H、WJ41W 波紋管截止閥 FJ41 PN16~PN160 節(jié)流截止放空閥 DJ41Y、DJ41W 低溫截止閥 J40HX-16G 柱塞截止閥 BJ45H、BJ45Y、BJ45W 保溫截止閥 J13、J23 儀表針形截止閥 J61H、J61Y 高溫對接焊電站截止閥 DS/J61H 水封截止閥 鍛鋼截止閥 JY41W、JY41Y 氧氣專用截止閥 J21W-16C6L 外螺紋不銹鋼截止閥 J21H、J21W 外螺紋鋼制截止閥 J21H/W PN160 外螺紋截止閥 抗生素截止閥 共 1 頁 21 條記錄