“foot valve”的概念、定义、翻译、参考文献-科学参考

单词	foot valve
释义	foot valve [`fu̇t ´valv] ^{MECHANICAL ENGINEERING} A valve in the bottom of the suction pipe of a pump which prevents backward flow of water.
随便看	armature armature chatter armature contact armature reactance armature reaction armature resistance arm conveyor armed merchantman arm elevator armenite ARMET Armillaria root rot Armilliferidae arming arming device arming distance arming range arming resistance arm length armor armor castings armored artillery armored cable armored cavalry armored faceplate

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