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单词
troffer
释义
trof·fer
\ˈträfə(r), ˈtrȯf-\
noun
(
-s
)
Etymology:
troff
(alteration of
trough
) +
-er
:
an inverted trough serving as a support and reflector for a usually fluorescent lighting unit
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更新时间:2025/6/17 16:40:34