...子电池的性能研究 - 电源工业 关键词：电动工具；锂离子电池；高功率；高安全；长寿命；一致性 [gap=993]Key words: power tool; lithium ion battery; high power; high safety; long cycle life; consistency ..
They may be able to emulate the dripping sound of a crosswalk, or the buzz of a powertool.
他们或许可以效仿人行横道的滴滴声，或者电动工具的嗡嗡声。
2
Powertool maker De Walt partners with companies, such as Lowe's and Napa Auto Parts, to collect old tools at their stores for recycling.
电动工具生产商 De Walt 与包括劳氏公司和纳帕汽车零部件公司在内的几家企业合作，在他们的商店里收集旧工具，并进行回收利用。
3
Before the internet, renting a surfboard, a powertool or a parking space from someone else was feasible, but was usually more trouble than it was worth.