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Photo 2 shows the valves with the valve spring retainers ready to go.
图片2显示阀与气门弹簧家臣准备。
youdao
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Very different Retentive force was found in different designed retainers.
不同的磁性固位体设计形式所产生的固位力不同。
youdao
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Very different Retentive force was found in different designed retainers.
不同的磁性固位体设计形式所产生的固位力不同。
youdao