Shutter valve I`m an engineer and I design the mine equipment. I`m busy for a week.This is my design of shutter valve.It`s used to connect to large pipe export. I hope everyone more idea.

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gavin

Corrections · 1

A Shutter Valve Design

I'm an engineer and I design the mine equipment. I'm going to be busy for a week.__This attached photo below is my design of a shutter valve.__It's used to connect to to large pipes, mainly for export. I hope everyone more likes it. idea.

1. 最好有份中文因為有时我是猜猜一下, 不会是你的心意

2. The apostrophe is the quote mark ' and not the grave accent `

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