ประโยคภาษาจีน : 中文句子 |
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zhè zhǒng 这种 qì 弃 zhā 渣 gōng yì 工艺 cún zài 存在 yǐ xià 以下 jǐ gè wèn tí 几个问题 gāo wēn 高温 róng zhā 熔渣 ān quán wèn tí 安全问题 nán yǐ 难以 jiě jué 解决 |
Such abandoned slag techniques has several problems as follows: the security question of slag with high temperature is hard settled; |