0 項
$0
$245
底盤尺寸：15×11cm
強力彈簧片尺寸：1×25cm，容器盒直徑3cm×深1.5cm
附大型固定夾
Demonstrates how varying distribution of mass affects movement of a body, Consists of 150×110mm steel base mounted with a 1×25cm leaf spring and a Φ 30mm × D15mm cup,Includes a clamp.
撥打電話
加入好友