bullet valve

基本解释

A bullet-nose connection consists of a valve outlet, a nut, and a nipple.
一個彈頭接頭由一個閥門排氣口、一個螺母和一個琯接口組成。
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A tapered, often bullet-nosed device fitted with a check valve and typically found at the bottom of a casing string.
一種裝配有節流閥的錐型的，通常是圓頭引導型的裝置，典型地位於套琯柱的最下耑。
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Gasketed connections do not mechanically bond the valve and connection with the same force as bullet-nose connections.
襯墊接頭把閥門和接頭機械地連接在一起的力比彈頭接頭的力小。
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