层 【中文名称】：预涂覆层 【英文名称】：primary coating 【定义1】： 在光纤拉制时或拉制后的光纤包层表面涂覆单/多层起保护作用的涂覆材料，为光纤提供所需的最小保护。 【来源】： GB/T 15972.21-20
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primary coating fiber 一次被覆光纤
primary coating fibre 一次涂覆光纤
soft primary coating 软一次涂层
Primary coating diameter 保护层外径
The invention furthermore provides a method and apparatus for measuring the cavitation strength of a primary coating.
本发明还提供一种测量一次涂层空穴强度的方法和设备。
Results showed that the coating problem of hot-dip zinc plating workpiece was improved evidently by using the degassing agents MPP230 and MPP620 containing a primary component of polyethylene wax.
结果发现，主要成分为聚乙烯蜡的脱气剂MPP230与MPP620可以明显改善热浸镀锌件涂装存在的问题。
On the condition of the same percentage composition of LBA-603, the preparation temperature is the primary factor which affects the coating effect.
在键合剂含量相同的情况下，制备温度是影响包覆效果的主要因素。
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