testo 205 手持式PH计 0 ~ 14 pH... 上海勇石电子有限公司

p1Src=//y1.yzimgs.com/uploads_old/423237/2015052114290864_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/423237/2015052114290871_old.jpg&p3Src=//y1.yzimgs.com/uploads_old/423237/2015052114290880_old.jpg"