X343F46襯里(li)旋塞閥 H44F46襯(chen)里止回閥(fa) GJ41X-6L管夾閥 D71X D371X蝶(die)閥(fa) D371F46襯里(li)蝶閥 ZG941F46襯(chen)里楔式閘閥 J45F46襯里(li)截止閥 J41Fs襯氟(fu)塑(su)料截(jie)止閥 Q641F46襯里球閥 Q41F-10S/F球閥 H44F-10S/F旋啟(qi)式(shi)、球芯止回閥 G41F隔膜閥(fa)