The vented pipe test is used to assess the effect of exposure of a candidate for "ammonium nitrate emulsion or suspension or gel, intermediate for blasting explosives" to a large fire under confined, vented conditions.
通风管试验用于评定试验对象“硝酸铵乳胶、悬浮液或凝胶，炸药中间物质”在受限制但通风的条件下遇到大火的影响。