砂轮机防尘的小窍门砂轮机在磨削工作时会产生大量粉尘。据粗略测试，砂轮机连续工作２０分钟，距砂轮机１０米处即有粉尘飞扬，使操作人员和周围其他工作人员受到粉尘危害。为净化作业环境空气，我们仅将砂轮机防护罩做了小小的改造（如示意图），即获得较好的降尘效果。... Grinder dust-proof tips Grinder produces a lot of dust when grinding. According to a rough test, the grinder works continuously for 20 minutes, dust is flying away from the grinder at a distance of 10 meters, and the operators and other workers around are subjected to the dust hazard. In order to purify the working environment of the air, we only made minor modifications to the grinder shield (as shown in the figure), that is, better dust reduction effect. ...