1951年发明的旋转引擎是内燃领域的一个革命性观念。

Invented in 1951, the rotary engine is a revolutionary concept in internal combustion.

《柯林斯英汉双解大词典》

从民用割草机的内燃引擎到海军舰船的驱动力，其使用范围越来越大。

Its using realm become bigger and bigger, from I/C engines of civil grass cutter to driving power of naval ships.

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这个泡泡肥料有了很大的用途—不过它得等待人们对煤油灯和内燃机的需求。

The bubbling muck had immense value - but it had to wait for the demands of the kerosene lamp and the internal combustion engine.

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