电线电缆拉丝工
“电线电缆拉丝工” 问题列表
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Wednesday, July 16, 2025
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问题：拉丝工序需穿戴的劳保用品不包括（）。A、隔热服B、工作服、防砸鞋C、耳塞D、口罩，手套...
Wednesday, July 16, 2025
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问题：对于各种工艺条件的组合，总存在一个最适当的模角，称为（）。...
Wednesday, January 15, 2025
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Wednesday, July 16, 2025
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问题：拉制后的单丝表面出现黑丝、油污的原因不包括（）A、润滑不足。润滑剂温度过高B、润滑剂飞溅C、模具磨损D、堆线场地不清洁，手套油污沾线材...
Friday, April 4, 2025
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Monday, January 27, 2025
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Wednesday, January 15, 2025
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Sunday, August 11, 2024
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Monday, January 27, 2025
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Tuesday, June 17, 2025
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Wednesday, July 16, 2025
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Tuesday, June 17, 2025
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Wednesday, July 16, 2025
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问题：对于同种状态的硬铜线，单线直径越小，其直流电阻越小。...
Tuesday, June 17, 2025
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Monday, January 27, 2025
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Tuesday, June 17, 2025
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Wednesday, January 15, 2025
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问题：杂质（）在规定的数量（0.0l％）内是以固溶体形态存在，使铝的导电性下降比铁硅还要大，是极有害的杂质。A、镁B、铜C、镍...
Tuesday, June 17, 2025
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问题：线材拉伸时受到三个外力即线端的拉伸力、模孔变形区的正压力、线材后端的反拉力。...
Wednesday, July 16, 2025
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Friday, April 4, 2025