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单词	valve ports
释义	valve ports valve ports The openings in the cylinder heads of a reciprocating engine through which the fuel-air mixture flows into the cylinder and burned gases leave.
随便看	effective pitch effective pitch ratio effective porosity effective power effective power flux density effective practice and organisation of care group effective practice bulletin effective practice incentive community effective practice incentive fund effective practice integration council effective practice quality assurance effective practice unit award effective precipitable water effective precipitation effective pressure effective prestress effective privilege level effective problem solving effective procedure effective procuring cause effective professional learning community effective profile drag effective program projection effective project approval effective project approval document

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。