Nowadays, dual function gas water heater controller can't meet the demand, especially temperature control effect is not good.
而现今的双功能燃气热水器的控制器却存在着明显的不足，尤其是温度控制效果不理想。
Nowadays, dual function gas water heater controller can't meet the demand, especially temperature control effect is not good.
而现今的双功能燃气热水器的控制器却存在着明显的不足，尤其是温度控制效果不理想。
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