ASTM F963-08和EN 71 A9 中 Mouth-actuated toy 有什么区别？
ASTM F963-08和EN 71 A9 中 Mouth-actuated toy 有什么区别？本人在线等答案 谢谢各位大虾的指点了。
怎么理解ASTM中 the procedure of 8.13 shall also be applied to the outlet if the air outlet is capable of being inserted into or covered by the mouth. 这句话的意思？
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