Shipbuilding ; embarkation ladders ; identical with iso 5489 , edition 1986 造船.登船梯
4.
Specification for ships ' ladders - ladders , steel dog - step 船梯规范.第3部分:钢锁定蹬梯
5.
Resting podests at ladders on ships 船梯拐弯处平台
6.
Specification for embarkation ladders 登船梯规范
7.
Retainers at ladders on ships 船梯护栏
8.
Phileas fogg hailed a boat , got into it , and soon found himself on board the henrietta , iron - hulled , wood - built above 由船夫划动双桨，很快就划到了亨利埃塔号的船梯跟前了。
