Neutral medium, it should be chosen for the copper alloy shell material valve solenoid valve, or valve shells falling debris often rust, especially the movements do not frequent occasions.
中性介质，也宜选用铜合金为阀壳材料的电磁阀，否则，阀壳中常有锈屑脱落，尤其是动作不频繁的场合。
That means it takes less of Duche's fine powder to produce a neutral medium: a crystal-clear, odorless gelatin that's easy to work with.
这意味着它用少量的Duche的优质粉就可以达到适中：容易处理的水晶般清澈、无味的胶质。
The results showed that GCL2 was a good corrosion inhibitor to carbon steel in neutral water medium.
结果表明，改性木素磺酸盐缓蚀剂GCL2在中性水介质中，对碳钢的缓蚀性能优异。
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