密封材料 mì fēng cái liào

DEFINITIONS

  1. sealing material; material used for creating airtight or watertight seals

CHARACTERS

密 mì
HSK 4
dense, thick, close; intimate
封 fēng
HSK 4
letter, envelope; feudal
材 cái
HSK 4
material, stuff; timber; talent
料 liào
HSK 3
consider, conjecture; materials, ingredients