重唇
zhònɡ chún
- 形Double lip;bilabial
重唇-
渤海建国前至渤海建国初期，最具代表性的陶器主要是重唇筒形罐和敞口鼓腹罐。
The most popular kinds were the tube-shaped pot with double lips and the bulging-belt pot with open mouth from the time the kingdom wasn 't built to the early stage of the Pohai Reign .
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三唇密封形式，金属防尘盖上带有三重细长密封胶唇的严格密封，具有较大的按触密封扭矩。
Tripe-lips type : the metal shield with long triple rubber lips has considerable large torque and good sealing .