除了在顶上努力按压，我在信封下面还用了一个橡胶垫板来促成清晰的印记。
In addition to pressing hard on top, I also used a rubber mat under the envelop to help obtain the clear print.
抚顺永大（美亚）橡胶有限公司是中外合资企业，是生产牛床橡胶垫板的专业厂家。
Fushun Yoga (Maya) Rubber Product Co. , Ltd. is a joint denture, a professional manufacturer of rubber surface for footbridge.
并在考虑了橡胶垫板和锚栓的共同作用后，推导了支座的水平刚度以及实际允许出现的水平位移。
After considering the conjunct effect of the rubber padding and the bolt, the horizontal stiffness of the support and the displacements that are allowed were solved.
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