甲板下吨位
Therefor, under the support of Ministry of Communications, Guangdong Maritime Safety Administration has built the largest tonnage with most advanced equipments 3000-ton marine patrol craft in China at present, named Patrol craft 31.
为此交通部在广东海事局建造了目前我国吨位最大、设备最先进的3000吨级海事巡逻船海巡31。
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