touch down
【建筑】屋顶向下排水管
down pipe roof drainage
暂无补充释义。
相关词条
pace up and down
lug down method【环境】
Chinese grey duck down
upside down
thistle
breaking-down test
Down's syndrome, trisomy 21 syndrome
down pipe roof drainage
暂无补充释义。
touch down
pace up and down
lug down method【环境】
Chinese grey duck down
upside down
thistle
breaking-down test
Down's syndrome, trisomy 21 syndrome