coaling 是什么意思

	n. 装煤，上煤。

	1.	Coal is much calorific than green wood . 煤产生的热量比湿木材多得多。
	2.	It 's difficult to ascertain the coal deposits ... 煤储量很难探明。
	3.	They have put up the price of coal again . 他们把煤的价钱又提高了。
	4.	We ran out of coal , and had to burn wood . 煤烧完了，只好烧木头。
	5.	I hate to see someone raked over the coals . 我讨厌见到别人挨骂。
	6.	It 's more economical to use gas than coal .. 烧煤气比烧煤上算。
	7.	We have enough coal to see the winter out . 我们有足够的煤过冬。
	8.	We have received an order for two tons of coal . 我们已收到两吨煤的定单。
	9.	Coal itself is a heavy pollutant . 煤本身就是一种严重的污染物。
	10.	He contracted to supply me with coal regularly . 他订约将煤按期供给我们。

coaling是什么意思