SP16K 手动真空隔膜阀 SP16K
上海赫哲真空设备有限公司
p1Src=//y2.yzimgs.com/uploads/461521/2018320-165219816.jpg?watermark/2/text/5LiK5rW36LWr5ZOy55yf56m66K6-5aSH5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/Center