valve seat insert閥座: valve base板: board; plank; plate熱板: hof stage; hot plate; hotplate閥座: valve seat; clack seat; disk seat; valve base; valve cup; valve seating; valve support; seat電熱板;熱板: hot plate下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯