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Regarding the ventilation area required, we have a doubt about what has to be included in the mentioned
- F d* H5 s5 p! b3 w7 zarea, i.e. does the ventilation area only include the holes at the level of the nose and the mouth, or include the
7 c8 E Q2 H' K# b7 J- J' wholes at the level of the eyes too?
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All holes are to be taken into consideration whatever their position knowing that if only eye, nose and mouth
6 ~ {, K% j1 q* }% @# U5 Rholes were considered the 150 mm requirement would conflict with the normal positioning of those holes for a
4 d( k6 _* d1 B) {- hcorrect use and should never been fulfilled.
8 o9 T* ~3 i. f, L* S, U% a% {! x- A9 v 红色字体 at the level of该怎么翻译呢???: @: H' x6 @* u- h
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......: W! R6 u7 L# P7 `
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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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