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1.白炽灯铭牌上“标值”的含义是什么?白炽灯铭牌上的标值不但表示它的规格和性能,而且隐含着极为有用的条件,现以“PZ220—100”为例加以说明.
1. What is the meaning of “mark value” on the incandescent nameplate? The value on the incandescent nameplate not only indicates its specification and performance, but also implies extremely useful conditions. Now the “PZ220-100” is used as an example to illustrate .