lug style butterfly valve这个是哪种蝶阀啊

lug style butterfly valve这个是哪种蝶阀啊 lug butterfly Butterfly 英语翻译Rovalve Figure SB1700,2” thru 24”Bonnetless,knife gate valve,150 psi design for 150 psi CWP,cast stainless steel two-piece bolted-body with lug style port flanges standard with bolts holes drilled and tapped to ANSIB16.5/150,but capab butterfly 翻译 butterfly house Butterfly House butterfly是什么意思 style without style翻译 style without style翻译 htc butterfly s是不是就是butterfly? Butterfly in Love Butterfly love flower是什么意思 butterfly英语怎么读 butterfly翻译一下 butterfly英语怎么读 butterfly中文意思 butterfly汉语是什么意思?