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【单选题】
有舵雪橇雪橇用什么材质制成？（）
A.
金属
B.
木头
C.
钢材
举报
题目标签：
材质
雪橇
参考答案：
参考解析：
刷刷题刷刷变学霸
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【单选题】原料过滤器滤芯材质是（）。
A.
布袋
B.
钢丝
C.
化学纤维
D.
陶器
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【判断题】没有具体列名的通用零件应按材质归类。
A.
正确
B.
错误
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【单选题】刹车油管能保持油压且不易变形，其材质为（）。
A.
塑料管
B.
钢管
C.
铜管
D.
铅管
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【判断题】系统默认的材质一定不可修改
A.
正确
B.
错误
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【单选题】茶类包装安材质分类
A.
塑料
B.
瓷、塑料、纸、金属、木才
C.
瓷器
D.
金属
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【简答题】检验钢材质量的指标有哪几项？
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