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

BFU60系列Back
Model features
Name :Laminar Type Flow Meter
Model No.:BFU60 Series
Overview:
This meter is suitable for the measurement and control of gas flow including dry air, nitrogen and gas. The fast changed flow can be detected by its fast response.
Feature:
Display portion and detection portion are separated; .
No special piping is required before installation;
Automatic pressure and temperature compensation.
Specification
External Dimensions
Model number configuration
長(zhǎng)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