spring seating 中文意思是什麼
spring seating
解釋
彈簧座-
Series 415 steam safety valves feature a stainless steel spring, a top guided stem and non - stick teflon ? disc to metal seating to assure positive shutoff
系列415蒸汽安全閥配置不銹鋼彈簧,一個頂部引導閥桿和不卡住特氟隆閥瓣對金屬閥座密封,確保絕對關閉。
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