insulating materials造句

1、In case of small current measurements the insulating materials available and rather limited.
就小电流测量而言，可用的绝缘体材料的选择相当有限。

2、A window frame made of insulating materials according to the principle of an electric fly-flap.
根据电蚊蝇拍的原理，用绝缘材料做窗框。

3、Insulating materials of this type are in two forms.
这类保温材料有两种形式。