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h= 楂�
b= 鑵块暦
d= 鑵板帤
t= 骞冲潎鑵垮帤
R= 鍏�(n猫i)寮у崐寰�
r= 绔姬鍗婂緫
姹� 250 mm 脳 118mm 脳 10mm 鐨勫伐瀛楅嫾姣� m 閲嶉噺銆傚緸閲戝爆鏉愭枡鎵嬪唺涓煡鍑鸿┎宸ュ瓧閶� t 鐐� 13 锛� R 鐐� 10 锛� r 鐐� 5 锛屽墖姣� m 閲嶉噺 = 0.00785 脳[250 脳10+2 脳13 脳 锛� 118 鈥�10 锛� +0.615 脳 锛� 10 2 鈥�5 2 锛� ]= 42.03kg
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