以前面的例子来说，在气缸活塞和汽化器到位前，将发动机装配到摩托车架是没有意义的。

Using the example from earlier, it does not make sense to mount the engine of the bike to the frame of the bike before the pistons and carburettor are in place yet.

youdao

以前面的例子来说，在气缸活塞和汽化器到位前，将发动机装配到摩托车架是没有意义的。

Using the example from earlier, it does not make sense to mount the engine of the bike to the frame of the bike before the pistons and carburettor are in place yet.

youdao