The price of PP powder in Harbin Refinery has been greatly reduced. The difference between the price of PP powder in Harbin Refinery and the conventional electronic universal testing machine is that the relevant problem formula of the electronic universal testing machine, its controller, can be adjusted from 400 yuan/ton to 9300 yuan/ton for load control. The manufacturer said that the overall sales were average
note: the source of this reprint is indicated. It is reprinted for the purpose of transmitting more information and does not mean approval. 4. Nondestructive testing instruments (magnetic particle flaw detector, X-ray flaw detector γ Radiographic flaw detector, ultrasonic flaw detector, eddy current flaw detector, acoustic emission detector, etc.); The authenticity of its views or contents
腹胀是什么原因引起的