outer spring core的意思|示意
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外弹簧芯
outer spring core的网络常见释义
外弹簧气门芯 ... 长气门芯 long core 外弹簧气门芯 outer spring core 大芯腔气门芯 core for large core chamber ...
outer spring core相关例句
The water heating control valve is composed of a valve casing, a valve outer cover, an inner cover, a pressure spring, a valve core, a positioning device and a sealing ring.
水暖控制阀由阀壳、阀外盖、内盖、压簧、阀芯、定位装置及密封圈构成。