central-adjustable handle-adjustable wrench

例句：

1. 1. The adjustable central handle makes it easy to adjust the screwdriver's length.
   可调中心手柄使螺丝刀的长度易于调整。
2. 2. This adjustable wrench can be used for a variety of tasks, including tightening nuts and bolts.
   这种可调扳手可用于多种任务，包括拧紧螺母和螺栓。
3. 3. When working with small parts, it's important to have an adjustable wrench that can fit comfortably in your hand.
   在处理小零件时，拥有一个可以舒适地握在手中的可调扳手很重要。