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Regarding the ventilation area required, we have a doubt about what has to be included in the mentioned F% B4 r6 }# A2 |# E6 F
area, i.e. does the ventilation area only include the holes at the level of the nose and the mouth, or include the: x" u: |% U4 w; X1 g8 o1 U- u
holes at the level of the eyes too?4 x; E7 G4 ?/ j; ?4 z
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All holes are to be taken into consideration whatever their position knowing that if only eye, nose and mouth
& ^: S3 y9 ?1 a( vholes were considered the 150 mm requirement would conflict with the normal positioning of those holes for a u, d2 T* \. r
correct use and should never been fulfilled.
4 G& K; @5 p1 e8 I9 [# l& Q 红色字体 at the level of该怎么翻译呢???
3 A m7 d5 |! z; f1 _' W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...... I+ G2 |8 @- O3 {6 Q. h9 H# |
5 @6 i" p- t" X( t8 L# J) ]0 r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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