注入模具的是金属粉末和塑性流动剂构成的均匀混合喂料。
The feedstock injected into a mold is the mixture of metallic powder and plastic binder.
这证明流动的水作为冷却剂有多么管用，也显示了为什么许多炎热国家的庭院里设有喷泉。
It proves how useful moving water can be as a coolant, and shows why so many courtyards in hot countries have water fountains.
首先是冷却剂的温度升高，然后温度随冷却剂流动速率变化。
The temperature rise in the coolant then becomes a function of coolant flow rate.
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