An efficient barrel cooling system is important to control the tendency for mechanical shear heat developed in the melt to override the electrical heater controls.
一个高效的桶式冷却系统至关重要，可以控制机械剪切热在熔体中的发展趋势，从而超越电气加热器控制。
Only turn the water heater on when necessary, and adjust temperature controls to avoid overheating.
热水器不用就别开，温度控制不要过热。
Only turn the water heater on when necessary, and adjust temperature controls to avoid overheating. Put a lid on a pan when boiling water.
低碳生活小窍门6。 热水器不用就别开，温度控制不要过热。烧水时在锅上盖好盖子。
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