pipe laid down into trench沉管下沟
drill pipe pump down plug钻杆内泵送塞
Patagonia Pipe Down Jacket巴塔哥尼亚
pipe head necking down管头缩口
Better Pipe Down更好旱烟
pipe down detail安静些
be quiet pipe down口〉安静下来
pipe down pipe down英语中
When You Pipe Down当你安静下来
V（动词） to stop talking, making noise, etc 安静下来 [非正式]