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Regarding the ventilation area required, we have a doubt about what has to be included in the mentioned
% @: v, B) y' j/ F" Iarea, i.e. does the ventilation area only include the holes at the level of the nose and the mouth, or include the
6 O9 G0 y/ z9 P: E# {8 i: Q6 B8 Zholes at the level of the eyes too?
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; \2 j- ], z' O) u0 }$ a4 v$ eAll holes are to be taken into consideration whatever their position knowing that if only eye, nose and mouth8 x, ]: W7 E, c( F% B
holes were considered the 150 mm requirement would conflict with the normal positioning of those holes for a
, ?, Q/ V `9 ~3 G: R2 Q5 }correct use and should never been fulfilled.
' N4 f- F% |. c$ r/ `# R0 L! i: [ 红色字体 at the level of该怎么翻译呢??? N% k8 I) R3 N2 t
下面的话的意思我的理解是所有的洞都要考虑到,不管他们的位置,如果只是考虑眼睛,鼻子和嘴的洞的150毫米的要求的话会和他们正常的位置起冲突,从而影响到正常的使用,导致永远不会被满足......: U1 r' I' Q$ ?# f
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那究竟是不是要考虑眼睛和嘴巴之间的距离呢??谢谢 |
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