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有文件指明吗?作者: FrankXu 时间: 2022-12-17 11:51
7.9 Unless it is obviously unnecessary, switches which may give rise to a hazard when % {% l. E0 j; S/ r& Y0 o2 o& _
operated shall be marked or placed so as to indicate clearly which part of the appliance they c% q( u3 r; Z8 ?4 F: r
control. Indications used for this purpose shall, wherever practicable, be comprehensible ( M8 |. p; I6 W8 s% ?8 W* ]* }
without a knowledge of languages or national standards.作者: 浪漫罗丹 时间: 2024-10-10 11:49
开关都是需要标识的