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衣藻装片
Chlamydomonas w.m. slide specimen
价格：￥0.00
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蜜蜂第三胸足装片
Honey bee leg w.m. slide specimen
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昆虫口器装片
Insect mouth - parts w.m. slide specimen
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露点测定器
Detecting dew point
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纵波演示器
Spring longitudinal wave demonstrator
价格：￥0.00
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弹簧振子
Spring vibrator
价格：￥0.00
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向心力实验器
Centripetal apparatus
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教学用指针式电表
Pointer - type electric meter for teaching
价格：￥0.00
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教学用光具座
Teaching optical bench
价格：￥0.00
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人体各系统浮雕模型技术条件
Specifications for models in relief of various systems of human body
价格：￥0.00
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