Experiments for hot mold shell with isolated hot spot by local water quenching in investment casting before and after pouring were conducted.

对熔模铸件孤立热节热型壳进行了浇注前及浇注后局部水淬激冷试验。

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Whereas it can take several minutes for hot gas to get the ice out of the mold, a high-power electrical pulse takes about four seconds.

之前用燃气加热，需要几分钟才能把冰从模具里取出，而利用电脉冲法，只需要四秒就可以完成。

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To help prevent mold, the bread container should be cleaned with hot water at least once a week and carefully dried.

为防止真菌污染，装面包的容器应至少每星期用热水清洗一次，并谨慎地使其干燥。

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In the early part of the 20th century, typesetters were based on a system of injecting hot metal into a type mold.

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