jack ladder 同义词
- Jacob''s ladder, pilot ladder
英文释义: 名词 (nautical) a hanging ladder of ropes or chains supporting wooden or metal rungs or steps
翻译和释义
- jack ladder 英文释义：(nautical) a hanging ladder of ropes or chains supporting wooden or metal rungs or steps
- jack ladder 中文翻译：【造船】木踏板绳梯。