Sample tests showed the level of acidity to be similar to the levels of battery acid or stomach acid.
抽样检测表明，酸度水平是类似电池酸或胃酸水平。
At the same time, the application circuit of12V sealed lead-Acid battery dual-level float charger, which is simple, feasible and stable is produced.
同时给出了一种简单实用、工作稳定且性能可靠的12V密封铅酸电池双电平浮充充电器的实际应用电路。
The acid level of a starter battery during service can only be adjusted by topping up with pure water.
对运行中失水的起动用蓄电池补加硫酸溶液提出质疑，强调只能补加纯水。
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