incombustible mixture

• 不燃混合物,不可燃混合物,不能燃烧的混合物

incombustible mixture的用法和样例：

例句

1. Any purge method should be repeated as often as required to be certain a flammable mixture cannot be formed upon introducing hydrogen or air to the system.
   任何净化方法都应该尽量多重复几次，直到确定在把氢或空气引入系统时不会形成可燃混合物为止。