Carburetors for automobile engines usually contained a storage chamber for liquid fuel, a choke, an idling jet, a main jet, an airflow restriction, and an accelerator pump.

汽车发动机用的化油器的组成通常包括燃油室、阻风门、怠速量孔、主量孔、空气节流喉管和加速泵。

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The Boeing 747 first flew in 1969, yet it still is the main jet carrying people across oceans.

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Ever so slightly I pulled the nose up in a flare and rolled the jet right on the main wheels.

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Under the David Packard approach, new product lines split off into autonomous units, and scores of disparate operations populated the four main businesses--ink-jet printers, laser printers, servers and PCs.

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