bucket (ladder)dredger
bucket (ladder)dredger
[海运英汉词典]
bucket (ladder)dredger链斗式挖泥船，斗式采泥器
是什么意思，bucket (ladder)dredger的解释，bucket (ladder)dredger的翻译
bucket (ladder)dredger
[海运英汉词典]
bucket (ladder)dredger是什么意思，bucket (ladder)dredger的解释，bucket (ladder)dredger的翻译