...ssification of International Transactions in Services;国际服务交易分类;; classification of low-grade coals;低品位煤分等;; Classification of Outlays of Industries by Purpose;产业支出用途分类;COIP; ..
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The successful renovation provided a feasible method to retrofit some boilers with lower heights and burning low-grade coals.
为燃用贫煤、烟煤和煤矸石等劣质燃料且锅炉炉膛高度较低的电站技改，提供了一种切实可行的方法。
The reciprocating-grade is generally adapted in burning lower-grade coals, but its grade bars are frequently damaged by burning.
往复炉排能适应低热值煤的燃烧，但是炉排片经常烧损。
Uranium, germanium-bearing coals are mainly lignites of low grade incoalation and belong to semidurain, semiclarain.
含铀、锗煤主要为煤化程度低的褐煤，属于半暗-半亮、暗-亮煤及亮-暗煤。
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