ASTM F963, under the jurisdiction of Subcommittee F15.22 on Toy Safety, includes guidelines and test methods to prevent injuries from choking, sharp edges and other potential hazards.是什么意思_ASTM F963, under the jurisdiction of Subcommittee F15.22 on Toy Safety, includes guidelines and test methods to prevent injuries from choking, sharp edges and other potential hazards.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句