Plug valve advantages

1. The plug valve is used for frequent operation, and the opening and closing is quick and light.

2. The plug valve has low fluid resistance.

3. The plug valve has a simple structure, smal

Mechanical boring

Boring machine refers to a machine tool that processes a prefabricated hole on a workpiece mainly with a boring tool. Usually, the file is rotated for the main motion, and the movement of the file or work

What is the broken bridge aluminum alloy?

The broken aluminum alloy window is an improved type introduced on the basis of the old aluminum alloy window in order to improve the insulation performance of the door and window. The principle of the br

Which colors are not suitable for home decoration?

Which colors are not suitable for home decoration:

First, pink may not be prosperous

Many people think that the use of pink decoration in the home can effectively increase the peach blosso