您要查找的是不是：
- 塑封QFN器件plastic packaging QFN device
- 塑封plastic package
- 封to confer
- 塑to model (a figure) in clay
- 商用塑封器件PEMs
- QFN封装元件组装工艺技术研究Research on QFN Soldering and Assembly
- 封神apotheosize
- 喷塑spraying plastics
- 封印seal
- 塑钢plastic steel
- 封盖close over
- 塑身get into shape; shape
- 封信seal up an envelop
- 增塑剂plasticiser
- 封头end enclosure
- 铝塑板aluminium-plastic panel
- 封箱joint sealing
- 封袋envelope
- 铝塑plastic-aluminum
- 冰封ice-bound
