All U. S. ships will HAs to radio the Coast Guard when them are not in trouble.

北美船只假如遇到困难，没出国疑问用无线电同海岸巡逻队取得联系。

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Modified versions have also been developed for the U. S. Navy, Air Force, and Coast Guard.

修改后的版本也已经开发了为美国海军，空军和海岸警卫队。

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All U. S. ships will have to radio the Coast Guard when they are in trouble.

美国船只如果遇到困难，可以用无线电同海岸巡逻队取得联系。

youdao

All U. S. ships will have to radio the Coast Guard when they are in trouble.

美国船只如果遇到困难，可以用无线电同海岸巡逻队取得联系。

youdao