Note: Area is based on a gage pin measurement of inside diameter of the hose.

注意：指的是软管直径内部有指针测量器的那部分区域。

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The flow of blood through these arteries is restricted as the inside diameter is reduced.

流动的血液通过这些血管是限制内直径减小。

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The drift diameter is the inside diameter (ID) that the pipe manufacturer guarantees per specifications.

通径规的直径就是管子生产商所能够确保的每一管子说明书上的内径。

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At San Onofre, each one stands 65 feet high, weighs 1.3 million pounds and has 9, 727 U-shaped tubes inside, each 0.75 inch in diameter.

NPR: Calif. Reactors Might Be Retired If Restart Nixed

This vortex would be produced inside a large cylindrical wall, 200 metres in diameter and 100 metres tall.

ECONOMIST: Harnessing artificial tornadoes as an energy source

Everything fits inside a space that's about 10cm high and 19cm in diameter.

ENGADGET