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词汇 Booster engine
分类 英语词汇 英语翻译词典
释义

Booster engine

英语百科

Booster engine

Booster engine with the cover removed to show the mechanism.  The driven axle is on the right; the booster normally hung behind it.
Diagram showing how a booster is installed and connected.

A booster engine for steam locomotives is a small two-cylinder steam engine back-gear-connected to the trailing truck axle on the locomotive or, if none, the lead truck on the tender. A rocking idler gear permits it to be put into operation by the engineer. It would drive one axle only and could be non-reversible with one idler gear or reversible with two idler gears.

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