crude oil common fraction specimen junior and senior high school chemistry teaching aids science and education instrument experimental apparatus_青华科教仪器有限公司

$crude oil common fraction specimen junior and senior high school chemistry teaching aids science and education instrument experimental apparatus$

crude oil common fraction specimen junior and senior high school chemistry teaching aids science and education instrument experimental apparatus

原油常见馏分标本初高中化学教学用教具科教仪器实验器材

10 piece

Specifications

Specifications		Stock	Quantity
size(尺寸)	USD $0.0	999 piece available
22 * 15.2cm(22*15.2CM)	USD $0.0	999 piece available

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Packaging information

CTN Size: 44 × 32 × 24 cm

G.W./CTN:18 kg

QTY/CTN:24 piece/carton

注意：下单前需要确认交货时间（因现货时时变化）！！！

原油常见馏分标本，专为初高中化学教学设计，展示汽油、煤油等馏分。

核心卖点：直观安全，提升实验兴趣。

产品优势：耐用便携，符合教学标准。

解决用户痛点：替代危险实验，确保课堂安全。

品牌背书：通过ISO认证，源自知名教育品牌。

情感共鸣：激发学生科学探索，让化学学习更生动有趣。

Update time：20251108151605