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proximity switch
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proximity switch
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proximity switch
接近开关
当运动着的物体与其接近到一定位置时,即能发出信号以控制运动物体的位置或行程,或控制自动计数的一种主令电器。
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divalent metal
divariant system
divaricate
divaricate saposhnikovia root
div curl lemma
div-curl lemma
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Divehi
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dive rescue
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divergence difficulties in the quantum field theory
divergence difficulty
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divergenceless field
divergence of an integral
divergence of a series
divergence of a tensor field
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