A toughness cushionring is arranged at the bottom of the threaded column on the jar lid.
在坛盖上螺纹拄的底部,有一韧性垫圈。
2
The utility model comprises a jar body, a jar lid, an air hole, a cushionring, internal screw threads and external screw threads.
本实用新型由坛体、坛盖、透气孔、垫圈、内螺纹和外螺纹构成。
3
Usage: according to the requirements of the product technical parameters, can be used in workshop, cold storage, seal, floor, seal cushionring, mat, etc.