Most likely the users are not willing to change their source of supply.
很可能用户不愿改变他们的供货来源。
It is proved that under certain conditions, the periodic change of heat supply from heat source has caused little fluctuation in room temperature, and will not influence heat-supply quality.
证明了在一定条件下，热源供热量周期性变化引起的室内温度的波动幅度有限，不影响供热质量。
The user is most likely not willing to change their source of supply.
用户很可能不愿意改变其进货货源。
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