求翻译：3 不含爬梯,扶手,工作平台,皮带机料仓支腿和电器本身之外的电缆,电器等辅助材料.建议根据现场需要自购.是什么意思？

3 not including ladder, handrails, platforms, belt conveyor cables outside the silo support legs and the appliance itself, appliances and other auxiliary materials. recommendations based on the site since the purchase.