构成至少压电元件(300)的各层的图案区域被由无机绝缘材料制成的绝缘膜(100)覆盖。
The pattern region of each layer constituting at least the piezoelectric element (300) is covered by an insulation membrane (100) made of inorganic insulation material.
玻璃纤维是一种性能优异的无机非金属材料，广泛应用于建材、墙体、绝缘材料、船体、高速公路等建设中。
The glass fiber is one kind of performance outstanding inorganic nonmetallic material, and its quality and the glass furnace temperature has the close relation.
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