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If a cover or cover-plate, or a fuse can be removed without the use of a tool, or if the( K1 o- ?. ~2 `9 Q; [" l3 q' D3 A
installation instructions for the user indicate that, for the purpose of maintenance, when( ^0 v* Y0 a1 O
replacing the fuse, covers and cover-plates fastened by means of a tool have to be removed,
- D1 R, Q& _* A i) D8 }5 @the protection against contact with live parts shall be assured even after removal of the cover
, I8 ]" S5 b0 Q0 Nor cover-plate.1 ?! D* D! ~$ ?* ]0 D
3 ] C, ^) `) B$ i+ R |一逗到底,有点难理解。大家怎么看?
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