采区回采率
- 网络working section recovery; S p
采区回采率采区回采率
working section recovery
recovery... ... wool grease recovery 羊毛脂回收 working section recovery 采区回采率 wrinkle recovery angle 折皱回复角 ...
S p
...S S 2．放顶煤综采采区煤炭回采率计算 采区回采率（S p ，%）： ` 1 ` *100% p s Q S Q 式中 Q 1 `——改正后的采 …
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