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Manhole cover
01
井盖, 人孔盖
a heavy metal lid that covers a manhole to prevent access and ensure safety
manhole cover
n
例子
The manhole cover was securely bolted down.
He lifted the manhole cover with a specialized tool.
They replaced the damaged manhole cover.
She heard a loud noise when a car drove over the manhole cover.
They painted the manhole cover to blend with the surrounding pavement.
