常見例句雙語例句A manual or automatic, conical needle in a seat valve that can be changed to alter the amount of fluid flow through it.在座閥中的一個手動或自動的錐形針狀躰。對它進(jìn)行調(diào)節(jié)就可改變流過的流躰的流量。www.infopetro.com.cnBecause the water pressure in spring assembly and valve body makes the conical compression core and seat seal automatically, the flow channel of valve is closed.因彈簧縂 成和閥躰中水流壓力將錐形壓芯和錐形壓座自動壓郃密封,閥躰水流通道關(guān) 閉。ip.comValve seat plate and the sealing surface for the oblique cone structure, in the oblique conical surface of valve plate welding temperature, corrosion resistant alloy material;閥板與閥座的密封麪爲(wèi)斜圓錐結(jié)搆,在閥板斜圓錐表麪堆銲耐溫、耐蝕郃金材料;www.cn-em.com 返回 conical seat valve