The maximum flame height, in millimeters, at which a kerosine will burn without smoking when determined in the apparatus and under the conditions described in IP Method 57.
用英国石油学会方法57所述设备和条件测定煤油无烟燃烧的最大火焰高度，以毫米计。
The maximum flame height, in millimeters, at which a kerosine will burn without smoking when determined in the apparatus and under the conditions described in IP Method 57.
用英国石油学会方法57所述设备和条件测定煤油无烟燃烧的最大火焰高度，以毫米计。
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