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Since high performance composites are included in the whole composite material and high performance is relatively range, it is better to discuss the whole composite material to describe the domestic and international development overview. Composites can be divided into resin matrix
FRP pultruded grating is a new product made of resin and glassfiber composite, the main feature is the hardness, preparing the pressure resistance at the same time, stable performance in the process of using, pultruded FRP grating installation and using does not require special mai
According to the irregular classification series of FRP grating often used, the FRP grating series can be roughly divided into the following categories: I. FRP grating cover The so-called non-slip performance can be better reflected in the FRP grating cover, such as gritted cover
The acid-filled batteries are placed in the battery cradle, and the battery cradle is transferred to the designated shelf of the charging rack by the conveyor line and the mobile lift trolley transition, and the tray is manually pushed to the designated position for charging by th