“ring-type element”的概念、定义、翻译、参考文献-科学参考

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单词	ring-type element
释义	ring-type element 环形元件
随便看	photoelectric sphygmograph photoelectric star photometer photoelectric steelscope photoelectric storage photoelectric surface photoelectric switch photoelectric tachometer photoelectric tape reader photoelectric tape reader (PTR) photoelectric telegraph transmitter photoelectric temperature photoelectric template colorimeter photoelectric threshold photoelectric threshold contrast photoelectric timer photoelectric titration photoelectric tracer photoelectric tracing flame cutting machine photoelectric tracking system photoelectric transducer photoelectric transfer fibre photoelectric transformation efficiency photoelectric transformer photoelectric transit instrument photoelectric translating system