灯座与灯丝类型Bases & Filament Types
The code number of a filament consists of a letter or letters to indicate how the wire is coiled. A number followed by the letter indicates the arrangement of the filament on the supports. The letter "C" is commonly used indicating "Coil" type filament.https://lighting.ledpan.com/ledpan14.gif
长丝的代号由一个字母或字母来指示如何卷绕丝组成。其次是这封信的数字表示支持的灯丝发光的安排。字母"C"是通常用于指示"线圈"类型灯丝。
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