JT/T 258-2004 Criteria of manoeuvrability for Changjiang transport ships. 1范围 JT/T 258规定了在长江干线航行的运输船...
JT交通运输标准
JT交通运输标准
JT交通运输标准
JT/T 258-2021 长江运输船舶操纵性衡准
JT/T 258-2021 Criteria of manoeuvability for transport ship in Yangtze River. 1范围 JT/T 258规定了在长江干线航行...