闰管为腮腺最长，颌下腺次之，舌下腺最短。

The intercalary duct of parotid gland is longer than the salivary glands, while the sublingual gland is the shortest.

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闰管为腮腺最长，颌下腺次之，舌下腺最短。

The intercalary duct of parotid gland is longer than the salivary glands, while the sublingual gland is the shortest.

youdao