Like all Antarctic investigate stations, McMurdo has a selected technique of acquiring needed materials. Yearly, cargo ships deliver over fiv million kilograms (eleven million lbs .) of kit and materials, starting from trucks and tractors to dry and frozen foods, to scientific instruments. 经验内容仅供参考，如果您需解决具体问题(尤其法律、医学等领域)，建议您详细咨询相关领域专业人士。 I... https://rylanyeded.wikipowell.com/6613954/pagalworld_ringtone_for_dummies