名词短语
中文翻译：井盖覆盖板
同义词：
['manhole cover', 'manholecap', 'manhole shield']
例句：
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1. The engineers installed anew cover plate for the manhole toimprove drainage.
工程师安装了一个新的井盖覆盖板来改善排水。
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2. The construction crew replaced theold cover plate with a more durable material.
施工队用更耐用的材料替换了旧的覆盖板。
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3. The manhole was sealedoff to prevent any further leakage ofgas.
为了防止气体进一步泄漏，将井口密封了起来。