用于活动房屋和旅行车的管道系统和部件: plumbing system components for manufactured homes and recreational vehicles
拖: 动词1.(拉着物体使移动) pull; drag; draw; haul 短语和例子拖网捕鱼 drag [haul] a net in fishing; 拖住敌人 pin down the enemy; 把身体拖垮 wear oneself down; 他冲进房间把我从床上拖起来。 he rushed into the room and pulled me out of b
