日本TLV先导式蒸汽减压阀 COSR-16 图片

p1Src=//y1.yzimgs.com/uploads/530893/2018313-1119881.jpg?watermark/2/text/5Y6m6Zeo5om_55uK6ZiA6Zeo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/Center"