The winches come standard with a single drive for maximum dependability and serviceability.

绞车标配单个驱动装置，最大的可靠性和易维护性。

Their existence is gratuitous, but not their serviceability.

它们的存在是无偿的，但并其服务价值。

We have to take into account the changes this has had on the environment and rethink fundamentally what serviceability is in the economy, and it's going to be consuming a lot less.

我们必须考虑到这对环境造成的变化， 并上重新思考经济中的实用性问题，这将意味着消耗会大幅减少。