7777精品伊人久久久大香线蕉,99精品久久精品一区二区 ,小sao货撅起屁股扒开c打视频,一区二区三区内射美女毛片

DG16/17系列Back
Model features
Name :Differential Pressure Gauge
Model No.:DG16/17 Series
Overview:
The inner element is filled in liquid and can bear high pressure. It will not be damaged by the overpressure or reverse pressure that caused by valve operation
Feature:
High pressure resistant;
Easy for pipe mounting.
Specification
External Dimensions
Model number configuration
長(zhǎng)野福田(天津)儀器儀表有限公司?http://dvhv.cn/(tianjin), All Rights Reserved. 安全聯(lián)盟
Legal NoticeRecruitmentContact UsWebsite Map