Stacked near the checkout counters, and as colorful as a Fisher-Price toy, it is a not-so-serious-looking power tool: a battery-operated saw-and-drill combination.

堆在收银台附近，像费雪玩具一样颜色鲜艳的它，是一个看起来不那么严肃的电动工具：一个电池驱动的锯和钻的组合。

youdao

If controlling inappropriate in checkout of power cable outer sheath thickness, then will increase difficulty in operating and production cost.

对电力电缆外护套厚度的检验若控制不当，就会增加操作难度和产品成本。

youdao

Then processing for launch can begin, including checkout of the power systems, communications systems and control systems. (NASA)

探测器的建造方，约翰斯·霍普金斯大学应用物理实验室的员工们，将开展一项初始健康状况检查，在发射前校验动力系统、通讯和操控系统。

youdao