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金属在生产生活中有广泛应用． 共享单车”作为代步工具，既轻便灵活，又环保．如图是一款自行车的图片，所标材料中，车架主要含有的金属元素是① （填元素符号），为防止车架生锈，可以采取的防锈措施是②...
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物理学的基本原理在生产生活中有着广泛应用.下面列举的四种器件中在工作时利用了电磁感应现象的是
回旋加速器
日光灯
质谱仪
速度选择器
10·茂名杠杆在生产生活中有着广泛的应用如图所示下列工具中属于费力杠杆的是①起子②镊子⑧筷子④羊角锤
①、②
②、③
①、③
①、④
合金在生活中有广泛应用．下列物质不属于合金的是
生铁
青铜
不锈钢
金属铝
物理学的基本原理在生产生活中有着广泛应用下面列举的四种器件中利用电磁感应原理工作的是
回旋加速器
电磁炉
质谱仪
示波管
物理学基本原理在生产生活中有着广泛应用在下面器件中利用电磁感应原理工作的是
回旋加速器
电磁炉
质谱仪
示波管
物理学的基本原理在生产生活中有着广泛应用下面列举的四种器件中利用电磁感应原理工作的是
回旋加速器
质谱仪
电磁炉
示波器
电气时代这一概念的确切含义是
发电机的出现
电能的开发成功
电力在生活上的使用
电力在生活和生产上的广泛应用。
物理学的基本原理在生产生活中有着广泛应用下面列举的四种器件中利用电磁感应原理工作的是
回旋加速器
电磁炉
质谱仪
示波管
化学在生产和生活中有重要的应用下列说法正确的是
铜是导电性、导热性最好的有色金属
氧化钠可用于呼吸面具
黄河入海口沙洲的形成与用卤水点豆腐，都体现了胶体聚沉的性质
高纯硅广泛应用于太阳能电池、计算机芯片和光导纤维
物理学的基本原理在生产生活中有着广泛应用.下面列举的四种器件中在工作时利用电磁感应现象的是
回旋加速器
日光灯
质谱仪
示波器
物理知识在生产和生活中有着广泛应用利用7知识可以鉴别物质刀刃磨得锋利是为了减小受力面积以便用较小的力
金属在生产生活中有广泛应用 共享单车作为代步工具既轻便灵活又环保如图是一款自行车的图片所标材料中
氧气化学性质比较活泼使氧气在生产生活中有广泛应用但有时为了生活需要在某些情况下使物质与O.2隔绝请从
物理学的基本原理在生产生活中有着广泛应用.在下面器件中利用电磁感应原理工作的是
回旋加速器
电磁炉
质谱仪
示波管
金属在生产生活中有广泛应用． 共享单车作为伐步工具既轻便灵活又环保．如图是一款自行车的图片所标材
金属在生产生活中有广泛的应用认识金属的性质有利于我们更好地利用金属.用铜制作导线是利用了铜的性.
钢铁在生产生活中被广泛应用钢铁属于
非金属材料
金属材料
有机合成材料
纯金属
金属在生产生活中有广泛应用．共享单车作为代步工具既轻便灵活又环保．一款自行车的图片如图所示所标材料中
物理学的基本原理在生产生活中有着广泛应用下面列举的四种器件中在工作时利用了电磁感应原理的是
示波器
电磁炉
质谱仪
回旋加速器
钢铁在生产生活中被广泛应用钢铁属于
非金属材料
金属材料
有机合成材料
复合材料
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