The way of installing QJ-40 gas-pressure relay and the oil injection craftwork of transformer are key influencing factors.
气体继电器安装方式和全密封变压器注油工艺是主要影响因素。
Flotation reagents is ammonium sulfate, sodium hexametaphosphate, copper sulfate, xanthate collectors BD, frothers QJ.
浮选药剂为硫酸铵、六偏磷酸钠、硫酸铜、黄药类捕收剂BD、起泡qj。
I'm just curious why you didn't put QJ (the nuts) in his range.
只是有一点我很好奇，为什么您没有把QJ(这手牌的坚果)放进他的范围里？
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