Carbon dust and oil build up in large motors and cause them to short-circuit.

碳尘和燃油在大发动机里越积越多，造成了发动机短路。

《柯林斯英汉双解大词典》

Three-phase current should be used for large motors.

大型电动机应当使用三相交流电。

youdao

The sensor is thus completely immune to magnetic fields which are generated by large motors for example.

因此，该传感器是完全免疫，例如是由大型电机产生的磁场。

youdao

Matamoros has several industrial parks, including a large General Motors plant.

ECONOMIST: One river, one country

"Whether the testing of large rocket motors or construction at the launch pad are in preparation for such activities remains unclear at this point, " it said.

BBC: US institute: North Korea 'testing at rocket site'

As a result of these restructurings, the U.S. government and the labor unions became large shareholders of both General Motors and Chrysler, and Fiat SpA stepped in as a large shareholder of Chrysler.

FORBES: Beyond Beijing: The Recovery in U.S. Autos