ZF16-2煤层注水封孔器/煤层注水封孔装置/矿用煤层注水封孔器图片

p1Src=//y1.yzimgs.com/uploads/508154/2016713-17484233.jpg?watermark/2/text/5YyX5Lqs5Lit5oWn5aSp6K-a56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"

aa