With a larger diameter, thinner wall, and clear inner diameter (ID) the TDB are used as tube heaters.

TDB作为管状发热器，有着更大的直径，更薄的管壁和更清晰的内径。

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With a larger diameter, thinner wall, and clear inner diameter (ID) the TDB are used as tube heaters.

TDB作为管状发热器，有着更大的直径，更薄的管壁和更清晰的内径。

youdao