开通

The company plans to run trains on key intercity routes.

公司计划主要城际路线上通火。

Can push milk everyday after breaking through milk byre, can sell not a few money!

通了奶牛房之后，每天都可以挤到牛奶，能卖不少钱哦！

July 16, World's first radiotelephone service, between Los Angeles and Santa Catalina Island, opened to the public.

7月16日，全球第一个无线电话业务，从旧金山至圣塔卡特莱那岛，式通。

This refers to the use of a miniature BTE hearing aid that is coupled to an ear insert or earmold (vented or unvented) via a tubing of approximately 0.8 mm inner diameter.

就是微型耳背式助听器用一根内径大约0.8毫米细导管耦合到耳塞或者耳模（耳模可以或者不通气孔）方式。