In 1910 the federal regulator responsible for rail took on the new service of telephony.

1910年，负责铁路规制的联邦规制机构承担对新的电话服务的规制。

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In 1910 the federal regulator responsible for rail took on the new service of telephony.

1910年，负责铁路规制的联邦规制机构承担对新的电话服务的规制。

youdao