Please keep the cartons to 15kg each and metal-strap all cartons in stacks of 4.
请将每个纸箱重量限制在15公斤内,并将每4箱一组用铁条儿固定起来。
It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner with would make a modern climber shudder at the thought,
确实,在探险中他们经常遇到惊心动魄的困难和危险,而他们装备之简陋足以使现代登山者一想起来就胆战心惊。