“fire shutter”造句，怎麼用fire shutter造句

When the building set up a firewall or fire door is difficult to replace, fire shutter doors, at the same time must use water curtain protection.

Fast shutter doors fire zoning and fire partition of don't usually make frequent use, once the area of fire shutter should effectively put into use.

Analyze and study product standards of relevant countries or industries, and develop Huo man fire shutter door.

Guangzhou yajunyun door industry co. , LTD is a professional design, production, sales, installation of fire doors, fire shutter, fire glassdoors, security doors production enterprises.

According gto the process decision, fire shutter door in addition to set in the firewall, in two fire partition between no firewall should also set fire shutter.