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air leg /ˈeə ˈkɒnsəntɹˌeɪtə/ n

中文：气腿

中文 · 气腿Español · cilindro neumáticoFrançais · poussoir pneumatique
Meaning：Movable cylindrical part that supports the hammer drill; it transmits air pressure to the drill from the compressor to which it is attached.
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Air-leg drill

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