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.
上周，他在英国皇家工程学会发表演说称，石油、天然气、煤仍然是备选能源，世界上仍然有大量石油可用。
Oil, gas and coal would remain the fuels of choice - and there was plenty of oil left, he told the Royal Academy of Engineering last week.
上周，他在英国皇家工程学会发表演说称，石油、天然气、煤仍然是备选能源，世界上仍然有大量石油可用。
Oil, gas and coal would remain the fuels of choice - and there was plenty of oil left, he told the Royal Academy of Engineering last week.
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