closing plug 中文意思是什麼

closing plug 解釋
彈口塞
  • closing : n 1 封閉,停閉;封閉口;【植物;植物學】郁閉。2 終結,結尾;完工。3 (交易等的)談妥;結賬;地產...
  • plug : n 1 塞子;(齲齒等的)填塞物。2 救火龍頭,消防栓;(內燃機的)火花塞;【軍事】火門閂;槍口蓋;【...
  1. The hsc - a hydraulic stage cementer features inner closing structure, opening through pressure difference. the closing plug drives the closing sleeve down and then shut circulation ports

    型壓差式雙級注水泥器為內關閉式結構,不需投重力塞,通過液體的壓力差打開循環孔,關閉塞帶動關閉套下行關閉循環孔。
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