$params = array(

    "body" => array(

        "query" => array(

            "filtered" => array(

                "query" => array(

                    "match_phrase" => array(

                        "content"  => "破碎机磨粉机"

                    ),

                ),

            ),

        ),

    ),

);

这种匹配，搜索结果会同时包含 破碎机磨粉机 分词后的所有词,因此匹配比较严