It's a bulb pressure tester for detecting battery leaks.是什么意思？

It's a bulb pressure tester for detecting battery leaks.

这是检测电瓶漏气用的胶球压力试验器.

bulb

n. 球茎，块茎植物，电灯泡，[解剖学]肿块；

例句
An efficient bulb may lighten the load of power stations...
一个节能灯泡也许就能减轻发电站的负荷。

pressure

n. 压（力），压强，大气压，强迫；v. 强迫，迫使，竭力劝说；

例句
This latest incident will add to the pressure on the government...
最近的这次事件将会给政府增加压力。

tester

--

例句
Place the tester adapter over the opening.
把试验器连接装置放在加油口上.

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

detecting

n. 探测，检定，检波；v. 发现，发觉，查明( detect的现在分词 )；

例句
Network - based anomaly dectection systems have advantages such as early detecting and novel attack detecting.
其中,基于网络的异常检测具有能发现新攻击、能及早做出响应等优势.

battery

n. [电]电池，蓄电池，[军]炮台，炮位，一组，[法]殴打；

例句
Free range and battery eggs, boiled for four minutes, were hard to tell apart.
柴鸡蛋和笼养鸡蛋在煮过4分钟之后很难区分。

leaks

n. 泄漏( leak的名词复数 )，漏洞，走漏，泄漏出的液体（或气体）；v. 漏( leak的第三人称单数 )，渗入，漏出，使泄露；

例句
AST ( Aspertate Aminotransferase ) - Enzyme or protein that leaks from the damaged liver.
AST 谷草 转氨酶 —— 从受损肝脏中泄露的酶或蛋白.