我国是海陆兼备的国家,拥有约18000千米的海岸线,请写出我国临海的省级行政单位简称.(1) ________(2) _________(3) _________ (4) _________ (5) _________ (6) _________ (7) ________(8) ________(9) _________(10) _________(11) _________ (12) _________ (13) _________ (14) _________ .
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