Wind batch is commonly known, standard science should be called: pneumatic screwdriver. Due to the southern local name habit of the relationship, the manual screwdriver is often called "screw batch", and then there is a pneumatic screwdriver, with compressed air to do power, referred to as "wind batch". Just like the north used to call screwdriver "screwdriver" "screwdriver" and so on, and then the pneumatic screwdriver, the north also used to call it "pneumatic screwdriver" "pneumatic screwdriver".
