问题
问答题 简答题
矿井提升容器的类型有哪些？各有何特点？
答案
参考答案：
提升容器的类型有：箕斗、罐笼、矿车、吊桶、箕斗。矿车只用于提升煤炭和矸石；罐笼既可用于升降人员和设备，又能用于提升煤炭和矸石或下放材料；吊桶用于立井凿井时的提升。
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矿井提升容器的类型有哪些？各有何特点？
参考答案：
提升容器的类型有：箕斗、罐笼、矿车、吊桶、箕斗。矿车只用于提升煤炭和矸石；罐笼既可用于升降人员和设备，又能用于提升煤炭和矸石或下放材料；吊桶用于立井凿井时的提升。
| Daisy's class had a painting lesson with Ben's class. The teacher told them 1 different colors. "There are three primary colors," she said. "Who knows 2 ?" All the children 3 their hands. Everyone knew the primary colors: red, blue and yellow. " 4 know what a secondary color is?" the teacher asked next. Ben knew. He put up his hand. " It's a color made from two primary colors," he said. "Can you give me 5 ?" the teacher asked. "Orange," Ben said. "We make orange by 6 red and yellow." Daisy put up her hand. "Purple is 7 secondary color," she said. "We make purple by mixing red and blue." "Good," the teacher said." Now I want you all 8 a secondary color. " The children began mixing colors. The teacher 9 round the class. She looked at all the colors the children were mixing. She 10 Harry's easel(画架). "What color is that?" she 11 him. "I don't know," he said. "I mixed all the primary colors 12 ," he said. "I wanted to see what color 14 ." "That 15 secondary color," the teacher said. "That 16 mud(泥巴)!" | |||
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