一般来说,在带式砂光机上适宜的压力应小于(),辊是磨光机压力应不大于()
A:100kpa,0.0012N/mm2
B:100kpa,0.012N/mm2
C:100kpa,0.12N/mm2
D:100kpa,0.00012N/mm2
出自:玩具设计师