dam base sealing up 大坝基础防渗处理
Oil Base Sealing Fluid 油基密闭液
sealing base 密封座
Sphere sealing base 球密封座
damage of sealing base 密封座损坏
FD-01 Cationic Base Sealing Coat and SC-800 series finishing agents are the polyurethane finishing materials of a new generation.
阳离子封底剂及SC—800系列涂饰剂为新一代聚氨酯涂饰剂产品。
Heat sealing: a method of uniting two or more surfaces by fusion either of the coatings or of the base materials under control led conditions of temperature pressure and dwell time.
热封：把两层或多层表面融合为一的方法。它是把涂层或基层材料在固定的温度、压力和接触时间下进行。
In order to acquire a good hermetic seal between the diaphragm and the base plate, two sealing methods were used, namely, compound method and crystallite method.
研究了复合法和结晶法两种封接方式，使陶瓷基座与膜片达到良好的匹配封接。
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