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带 LCD 书写板的 CW-991EX 科学计算器
CW-991EX – 带 LCD 书写板的科学计算器
双功能创新：将 552 功能的科学计算器与可重复使用的 LCD 书写板结合——非常适合学生、专业人士以及 STEM 学习环境。
• ✅ 552 种科学功能
• ✅ USB-C 充电电池
• ✅ 集成 LCD 书写板，带擦除按钮
• ✅ 耐用按键反馈 & 大屏显示
• ✅ 适合学校、办公室或考试
• ✅ 支持私人标签 & OEM
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