直径 (zhí jìng): Calibre (Noun) — Meaning & Stroke Order

The diameter of this circle is 10 centimeters.

We need to measure the diameter of this pipe to choose the appropriate fittings.

Do you know the diameter of this newly developed bearing?

He did not accurately measure the diameter of that circular square.

The engineer found through calculation that increasing the diameter of the bridge pillars can significantly improve their load-bearing capacity.

Although the diameter of this tunnel is large, engineers still need to consider ventilation and load-bearing issues.