您要查找的是不是：
- 现在有些零件是由塑料或类似的材料制造的。Some parts nowadays are made of plastic or similar stuff.
- PS版PS plate
- 用塑料包装食品to swathe food with a plastic bag
- PS／2PS/2
- 这些是塑料花。These flowers are made of plastics.
- PSⅡPSⅡ
- PSⅠPSⅠ
- 塑料喷头Plastic Nozzle
- PS环PS ring
- 塑料首字母initial of precious meta
- PS-模PS-module
- 度塑料Waste-PE
- PS-环PS-rings
- 烧蚀性塑料ablative plastics
- PS/2PS/2
- 塑料钩plastic hook
- 塑料棚plastic film covered shed
- PSβ1G(=pregnancy-specific β1-glycoprotein) 妊娠特异性β1糖蛋白
- PS转炉PS converter
- PE塑料PE plastic
