protected inland waters保: defend; protect内陆水域: inland waters内陆水域: inland waters; inner waters; internal waters; land lock water; land-locked waters内陆水域组别: inland water grouping内陆水域引水图: pilot chart of inland waterway下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:保内陆水域,即可在微信中查询翻译