Box-end wrench
01
梅花扳手, 闭口扳手
a hand tool with a closed-looped, box-shaped end that fits snugly around the flats of nuts and bolts, providing a secure grip and allowing for the application of torque during tightening or loosening tasks
例子
For the tight space under the sink, a box-end wrench worked better than an open-end wrench.
对于水槽下的狭窄空间，梅花扳手比开口扳手更好用。
