基本解释个体防护用品同根派生 bodyarmor相关词英汉例句Keywords M5 fiber;PIPD;high tensity and high modulus;fire resistance;composites;bodyarmor;rope; M5纤维;PIPD;高强高模;阻燃;复合材料;个体防护用品;绳索;bodyarmor更多例句