Disconnect the water supply line and push the valve fully up to close the valve. the above sentence means “断开供水管路并将注水活门完全拉下来关闭活门。”
A.1正确答案B
Disconnect the water supply line and push the valve fully up to close the valve. the above sentence means “断开供水管路并将注水活门完全拉下来关闭活门。”
A.1正确答案B
