短语词组短语butt t rot 干基腐朽;根腐butt -rot 干基腐朽root and butt rot 立木腐朽菌butt and root rot 干基腐朽pineapple butt rot 菠萝基腐病brown butt rot of oaks 栎干基褐腐brown butt rot of pines 松干基褐腐 返回 butt rot