plastics

• The new winter ventilation system consisted of a perforated plastic tube .
  新的冬季通风系统由带孔的塑料管组成。
• Indian surgeons are best known for their great skill in plastic surgery .
  印度外科医生的整形外科技巧是非常有名的。
• Innumerable small shops presented a collection of cheap plastic goods .
  数不清的小商店里陈列着一批廉价的塑料制品。
• Studies show that water vapor quickly permeates plastic packaging material .
  研究证明水蒸汽能迅速渗入塑料封装材料。
• The lower temperature corresponds to the plastic temperature of a certain coal .
  较低的温度相当于某些煤的塑性温度。
• Many plastics have high surface resistance and low electrical conductivity .
  很多塑料具有高的表面电阻和低的导电性能。
• The plastic was poured into the mold and left to set until it was firm .
  塑料被注入模子后，便放在一边让它慢慢凝结硬化。
• The rotating slip ring is insulated from the shaft by a laminated plastic bushing .
  旋转滑环是用片状塑料衬套与轴绝缘的。
• Painting , sculpture , architecture , etc. are collectively called the plastic arts .
  绘画、雕塑、建筑等统称为造型艺术。
• The most successful had been the "space blanket" of vacuum aluminised plastic film .
  最成功的是真空镀铝塑料膜的“太空服。”