The diaphragm spring is a single thin sheet of metal which yields when pressure is applied to it.
膜片弹簧是一张薄金属片，当压力施加到膜片弹簧上，会产生变形。
The spectroscope consists of diaphragm and light filter sheet.
其特征在于分光系统由一个光栏和滤光片组成。
The utility model relates to a fresco type electric heating heater, which is composed of an electric heating diaphragm, heat radiating sheet, a paper painting, and an aluminium alloy outer frame.
本实用新型涉及到一种壁画式电热取暖器，它由电热膜片、散热片、纸画、铝合金外框组成。
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