a bell-shaped extension at the end of a pipe.

listen to the pronunciation of a bell-shaped extension at the end of a pipe.
Английский Язык - Английский Язык

Определение a bell-shaped extension at the end of a pipe. в Английский Язык Английский Язык словарь

A bell-shaped extension at the end of a pipe.
bellmouth
a bell-shaped extension at the end of a pipe.
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