At the current delivery level, Mueller says storage levels could reach a maximum 85 percent in the best case.

穆勒说，按照目前的交付水平，在最好的情况下，天然气存储水平可能达到 85%。

This was unfortunate, as alternating current is recognized today as a better method of electric current delivery than direct current.

这是不幸的，因为如今交流电被认为是比直流电更好的电流传输方法。