群交射精白浆视频,亚洲熟女www一区二区三区,国模杨依粉嫩蝴蝶150P,亚洲老妈激情一区二区三区

DG93系列Back
Model features
Name :Differential Pressure Gauge
Model No.:DG93 Series
Overview:
This gauge is suitable for measuring the low pressure under 4KPa, and measuring the flow rate and liquid depth since the measurement value can be converted to varied units
Feature:
Perfect corrosion resistant ability;
Maintain high accuracy under extreme low pressure;
Varied mounting types are optional.
Specification
External Dimensions
Model number configuration
長野福田(天津)儀器儀表有限公司?http://www.sxsjwjc.cn/(tianjin), All Rights Reserved. 安全聯(lián)盟
Legal NoticeRecruitmentContact UsWebsite Map