... level switch 电平开关 level tester 水平检验器 level theodolite 水准经纬仪 ...
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... level surve 水准测量 level tester 校水准器 level tryer 水平试验器 ...
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acid level tester 酸液位测试仪
Alcohol Level Tester 酒精浓度测试
level l tester 水平检验器
·2,447,543篇论文数据，部分数据来源于NoteExpress
In addition to charging standard batteries, the Battery Engineer also charges rechargeable batteries and includes a battery tester to inform the consumer of the charge level of any battery.
ENGADGET: Digital Works' ReZap recharges disposable batteries, coming to North America in May
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