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There are few people in the room为什么用are 草梅的英语怎么说 调压阀又称安全阀吗?1楼,看上去差不多呀.如何从字面上来理解? 调压阀与安全阀的区别求大神帮助 调压阀前后有什么安全阀? 安全阀与泄放阀有什么区别?希望有关人士解答 泄压阀和安全阀有什么区别? MY DAILY LIFE 作文 60字 带翻译 英语翻译My daily life is extremely monotonous,I try hard to adapt myself to it.Why?Because I intend to be a good student.I wish to render service to my country.I get up at six o’clock every day.After I wash my face and brush my teeth,I begin to 翻译Space technology is more commonly used in our daily life 7A英语书课文fangfang's daily life翻译 翻译 Live is just like a story. We encounter many incidents - up and down in our daily life.Some are rather dramatics, indeed. Disputes and happiness are always come in hand in hand as shown in the movie. Is there a TV in the computer room?回答是 There is a computer in yuor room 是什么意思 分别说出AT-90001硅表的试剂阀、样品阀、标准溶液阀发生泄漏时,硅表将出现何种现象? there is s___ in the room? 翻译It was at that time that i learnt a valuable lesson in my life翻译 There is ( ) fruit in the room. 英语翻译.路一直都在里的一句话.谁帮我翻译下.到底是 “这” 还是“那”啊. There is a________[chiid] in the room填空 调压阀结构组成有哪些?气体调压阀 事故中的阀卡和阀漏有什么区别 外接调压阀内冲式空气干燥器有哪些常见故障?如何排除? 蝴蝶阀的特点,结构和工作原理十万火急! 1.热力膨胀阀,毛细管这类节流装置坏了会有什么故障表现?2.逆止阀,限压阀坏了会有什么故障表现?拜托了 daily life or daily lives?到底是our daily life 还是our daily lives?life 做生命和生活讲,其单复数情况分别是什么? my daily life 作文 My daily life这是我的日常生活的意思吗?如果不是,那是什么? 改同义句How many rooms are there in the house?How many rooms____the house____? there are five rooms in the house的同义句 there are five rooms in the house急,现在这里谢谢了 罗格兰角阀质量怎么样