ballast weight

例句：

1. 1. The electrical system needs to be designed with a sufficient ballast weight to ensure safety.
   电气系统需要设计足够的电感负荷重量以确保安全。
2. 2. The new generator has a higher ballast weight, which means it can generate more power.
   新型发电机具有更高的电感负荷重量，这意味着它可以产生更多的电力。
3. 3. The ballast weight of the transformer is an important factor affecting its efficiency.
   变压器的电感负荷重量是影响其效率的一个重要因素。