PLASTIC BEAD BRACELET 塑料小珠镯子
PLASTIC BEAD HAIR TIE 塑料小珠头发领带
plastic foamed bead light soil 塑料发泡颗粒轻质土
Did you ever imagine that you can use light to move a microscopic plastic bead?
想过可以用光来移动微小的塑胶珠子吗？
Putting the mixture of polypropylene powder, white cement, plastic bead, water and others into a mold makes the material.
该模型冰采用聚丙烯粉、塑料微珠、水泥等材料加入一定量的水由特制的搅拌机搅拌均匀倒入模具后成型制成。
The rear impact roller stretches the weld longitudinally with transverse compressive plastic deformation of the weld, thus reducing the residual deformation and stresses in the bead.
后轮将焊缝金属的纵、横向压缩塑性变形充分碾展，减小了工件的残余变形和应力。
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