喷杆
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Airless paint spray pole guns 无气喷焊枪
spray pole
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The corrosion resistance of deposits and covering power of the plating bath were tested respectively by neutral salt spray test and inner-pole method, and the hardness of deposits was also measured.
采用中性盐雾试验测定了镀层的耐蚀性，采用内孔法测定了镀液的覆盖能力，并测定了镀层的硬度。
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