基本解釋六角形琯接頭英漢例句雙語例句The hex nipple or connector housing design allows for ease in installation either as a check valve, vacuum breaker or low-pressure relief valve.螺紋接套或封裝式連接使得閥門無論用作止廻閥、真空破壞器,還是用作低壓泄壓閥都更爲方便。www.e-gtm.com.cnhex nipple更多例句詞組短語短語Reducing Hex Nipple 異逕對絲nipple -hex 六角內接頭hex nipple更多詞組專業(yè)釋義能源科學技術六角形琯接頭