Diamond strand scraping "whirlwind"

Gold is skyrocketing, silver is skyrocketing, and even synthetic diamonds are crazy. This week, the domestic diamond industry leader - Huanghe Cyclone and Yu Diamond's share price has updated the historical high.

Among them, the stock price of the former resurgence of the Yellow.......

Acetochlor for soil sealing treatment

Acetochlor is a selective pre-emergence herbicide. It should generally be applied before the weeds are excavated and used as a soil sealing agent. The above-mentioned field weeds are in the vertical needle period, and the use of thiasulfide-acetochlor also has a good herbicidal effect when.......

Research on NC Sharpening System of NC Tool Spiral Tooth Tool

Based on the research of the NC sharpening method of the helical tooth cutter, the method of obtaining the geometric parameters of the helical cutting edge is proposed. The design and development of the hardware and software of the economical CNC tool grinding machine control system for shar.......