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单词
pohlé air lift pump
释义
Pohlé air lift pump
Pohlé air lift pump
[
pō′lā ′er ‚lift ‚pəmp
]
(mechanical engineering)
A pistonless pump in which compressed air fills the annular space surrounding the uptake pipe and is free to enter the rising column at all points of its periphery.
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更新时间:2025/2/24 7:42:43