发布时间:2025-01-29 10:36:12
钢材密度按7850千克/立方米计算,
方通重量为:
(0.2X0.2-0.18X0.18)X1X7850
=59.66千克/米
=59.66公斤/米
kinghome 晶弘 bcd450wedgl 对开门冰箱 450升详细介绍
2025-01-29 10:36:12 2025-01-29 10:36:12 2025-01-29 10:36:12 2025-01-29 10:36:12 2025-01-29 10:36:12 2025-01-29 10:36:12 2025-01-29 10:36:12 2025-01-29 10:36:12