seal gum [机] 密封胶
Fluid Seal-gum 流体密封胶
perfusion and seal gum 灌封胶
Whole pack gum oil seal 全包胶油封 ; 特大型油封
Seal-completely-gum 密封胶
What is to be done?As long as you press chewed gum on the surface of the seal flatly, it can clear dirt thoroughly and keep seal clean.
这时只要将嚼过的口香糖，平整压贴粘于章面上，就能彻底粘起赃污，维持图章面的清洁。
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