screw blade agitator 螺旋叶片型搅拌机
helical screw blade 螺旋式螺旋叶片
blade screw driver 活用起子
blade screw-driver 四用起子
4-blade screw-driver 四用起子
With the main blade lifting screw, nut structure, stable and reliable.
主锯片升降采用螺杆，螺母结构，平稳可靠。
Special Angle strengthened bit design intensifying blade protection and quickly leading powder into screw groove, which reduce resistance and improve in-aperture speed.
特殊角度强化刀头设计，强化刃部保护，并将粉末快速导入螺旋沟槽，减少阻力，提高进孔速度。
Each screw ACTS as a miniature blade plate with the added benefit of providing fixed-angle support in multiple planes (Figure 5).
每一枚螺钉都相当于一个小型的接骨板，在多个界面提供固定支撑(图5)。
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