3) labor quantity variance
人工数量差异
4) flow difference coefficient
流量差异系数
1.
According to the conditions that the design load of traditional air conditioning systems is larger than the load demanded and that the transfer flow can not change with the indoor load,and based on the flow difference coefficient introduced,thinks that adopting flow control in water system is an energy saving measure.
针对传统空调系统设计负荷偏大、系统运行过程中水系统输送流量不能随室内负荷变化而变化的情况,在引入流量差异系数的基础上,认为对水环路采用流量控制可以达到节能的目的。
5) sales quantity profit variance
销售数量利润差异
6) overhead volume variance
间接费用数量差异
补充资料：量数
1.犹计数。 2.即数量。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条