All pilots engaged in interstate commerce were required to obtain licenses.

所有从事州际商业活动的飞行员必须获得飞行员执照。

In practice, the most important of these federal powers is the power to regulate interstate commerce.

实际上，这些联邦权力中最重要的是对州际商业的约束权。

Regulation of freight rates by the Interstate Commerce Commission was removed for most cargoes, provided they could go by road.

对于大多数可以用公路运输的货物，州际商务委员会就把与这些货物相关的铁路货运价格管理规定废除。

In addition, the Federal Energy Regulatory Commission's authority to regulate oil pipelines came from the Interstate Commerce Commission.

除此之外，其管理天然气和石油管道的权力继承自州际商务委员会。

In addition, the Federal Energy Regulatory Commissions authority to regulate oil pipelines came from the Interstate Commerce Commission.

除此之外，其管理天然气和石油管道的权力继承自州际商务委员会。