ming ship diy technology small production small invention wheel materials science experiment toys science and education factory teaching aids_义乌市驰购百货贸易商行

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ming ship diy technology small production small invention wheel materials science experiment toys science and education factory teaching aids

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ming ship diy technology small production small invention wheel materials science experiment toys science and education factory teaching aids

明轮船 DIY科技小制作小发明轮材料科学实验玩具科教厂家教具

EXW Price: Min. order:

¥4.5
≥2/piece

¥4.0
≥50/piece

¥3.5
≥5000/piece

2 piece

Exchage Rate 1 CNY ≈ 0.1418 USD
Weight 0.1 kg/piece
Item No. 明轮船
Stock num 49980 piece

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Description

明轮船

明轮船是指在船的两侧按有轮子的一种船，由于轮子的一部分露在水面上边，因此被称为明轮船。明轮船

舷侧明轮船是用明轮推进的船舶，原始的明轮船是以人力踩踏木轮推进。明轮船是用明轮推进器推进的船舶，是早期的一种机械动力船。它是在中国古代车轮船演变而来的。近代以后，蒸汽机用上船舶成为船舶动力，与蒸汽机配合使用的推进工具是明轮。它是在转轮的外周装上叶片，成为能旋转的桨轮，装在船舶两舷或船尾。明轮根据布置位置，分为舷侧明轮和船尾明轮。

Update time：20230318111519

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