reducer
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reducer — 名詞
1. a device or substance that reduces something
1.名詞
釋義
減壓器
a device or substance that reduces something
例句
A reducer is used to lower the pressure of the gas.
2. a fitting used to connect pipes of different sizes
2.名詞
釋義
縮接頭
a fitting used to connect pipes of different sizes
例句
The plumber installed a reducer to join the two pipes.