Flowmeter selection key parameters

The key points of flow meter selection are as follows: According to the nature and flow conditions of the fluid to be measured, the flow sampling device and the type and specification of the measuring instrument, the type selection must fully comply with the conditions of the instrument provi.......

The danger of freezing to the mine

First, the basic concept of freezing 1. Freezing point freezing point refers to the freezing point of water at an atmospheric pressure. 2. Cold injury Cold injury refers to the harmful effects of cold on the body, collectively referred to as cold injury. Cold injury can be divided into two .......