Who can teach me how to say this in English?
ok,because it can't insert pictures, so I can only describe the thing.I want to know the word "manhole covers" are there any other form of expression in English.Below I describe some characteristics of the product:
1.The material is stainless steel.
2.If use Chinese to describe it is invisible cap.

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"Manhole cover" is a perfectly acceptable way to say it.

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Lee is right, that's the only answer from what I know as a native english speaker.

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