tension spring spring junior high school physics experimental apparatus mechanics science teaching instrument teaching aids primary school science_青华科教仪器有限公司

tension spring spring junior high school physics experimental apparatus mechanics science teaching instrument teaching aids primary school science

tension spring spring junior high school physics experimental apparatus mechanics science teaching instrument teaching aids primary school science

拉簧弹簧初高中物理实验器材力学科教仪器教学教具小学科学

20 piece

Specifications

Specifications		Stock	Quantity
size/length(尺寸/长)	USD $0.0	1000 piece available
70cm(70CM)	USD $0.0	999 piece available

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Packaging information

CTN Size: 46 × 32 × 24 cm

G.W./CTN:8 kg

QTY/CTN:100 piece/carton

注意：下单前需要确认交货时间（因现货时时变化）！！！

这款拉簧弹簧是初高中物理实验的理想教具，精准测量力与形变关系，核心卖点包括高精度、耐用材质。

解决学生实验操作难、数据不准的痛点，通过国家教育认证，确保安全可靠。

激发科学兴趣，培养动手能力，让学习更生动有趣。

Update time：20251026103746