Steps to reproduce:

1. Open tow Zabbix machines
2. Go to Configuration ->hosts 
3. Select in checkbox any of the host's
4. Scroll down and click in 'Export'
5. Go to the next Zabbix machine 
6. Go to Configuration ->hosts 
7. In top right in page, click 'Import' button
8. Import host configuration (from first machine)

Result:
Number of Triggers will be the same as the first machne
Expected:
Missing Triggers