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Regarding the ventilation area required, we have a doubt about what has to be included in the mentioned
4 d4 O( Y- R# x! z+ {% rarea, i.e. does the ventilation area only include the holes at the level of the nose and the mouth, or include the' n) ^3 }9 C4 ~! Y
holes at the level of the eyes too?4 Z% @9 A2 E5 p/ b* E/ O. a, I
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8 {6 Y. Q) P1 ]All holes are to be taken into consideration whatever their position knowing that if only eye, nose and mouth
* k m1 f7 t9 K4 U0 z/ b, | T( Zholes were considered the 150 mm requirement would conflict with the normal positioning of those holes for a
% j- h J; V4 C3 _5 P8 F8 E. ocorrect use and should never been fulfilled.2 V' c* W+ g7 l2 j; t3 Q
红色字体 at the level of该怎么翻译呢???; H' W) w- `* F' G
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......
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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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