Dr Fink's fibre consists of a hollow rod of an insulating polycarbonate material with a 30-micrometre ring of a piezoelectric polymer running along its length.

芬克博士研发出的这种纤维由一种由绝缘聚碳酸酯材料制成的空心杆组成，空心杆的内部有一种30微米的压电聚合物材料制成的环。

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The safety switch comprises a heat transfer piece, an insulating seat, a fusible body, a control rod and a movable safety piece.

该保险开关，它包括一热传递片、一绝缘座、一可熔体、一控制杆以及一动保险片。

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The movable safety piece is connected with the insulating system, is supported against by the control rod, and is in normally closed connection with the fixed contact piece.

该动保险片，它连接绝缘系统，而且，它受控制杆顶抵并常闭连 接该定接触片。

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