keep down
【计】 下行线路, 下行链路
down link
暂无补充释义。
相关词条
up-and-down
fill down
sit-down
lug down method【环境】
Chinese grey duck down
hunt down
breaking-down test
down link
暂无补充释义。
keep down
up-and-down
fill down
sit-down
lug down method【环境】
Chinese grey duck down
hunt down
breaking-down test