Internet Archive - inside information 1941 (1941)

财富辛

Title: Inside Information (1941)
Source: Internet Archive (Archive.org)

English Introduction:
An industrial film explaining the operation of the Caterpillar diesel engine through animation, while also touching on copper bellows seals, air cleaners, and fuel-tank caps.

中文标题：
内部信息（1941）

中文简介：
一部工业教育短片，用动画解释 Caterpillar 柴油发动机的运作原理，并涉及铜制波纹密封、空气滤清器和油箱盖等部件。

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