I'm thinking dipstick.
而我所想的是试纸诊断。

Dipstick dye immunoassay
胶体染料试纸条法

Install dipstick and verify it is seated in the tube.
安装引擎机油尺并确认它安放在管中。

EFFECT OF DIPSTICK DYE IMMUNOASSAY FOR SCHISTOSOMIASIS DIAGNOSIS
末梢血胶体染料试纸条法诊断血吸虫病效果观察

A dipstick is used to measure how much oil is left in an engine.
量油尺是用来探查引擎中的剩余油量的。

The effectiveness of a simple dipstick assay to diagnose trichinellosis
一步快诊试纸法试剂盒诊断旋毛虫病的效果

As soon as he had filled the radiator the lady asked him for a new dipstick.
他刚把散热器里灌满了水这位女士又找他要根新量油尺。

The dipstick test can also check the blood and protein levels in your urine.
这种试纸测试也可以检查你的尿液, 血液和蛋白质水平。

A customized dipstick can be added to breathes with the flange style adapter.
一个订制液位计可以被添加到呼吸与法兰作风适配器。

Yearly dipstick urinalysis for leukocytes for all sexually active adolescents.
有性生活的青少年每年验尿检查白血球。

Further study on detection of cattle schistosomiasis with dipstick dye immunoassay
胶体染料试纸条法检测牛血吸虫病的进一步研究

Motorists who don't change their own oil still know how to pull out a dipstick, wipe it clean, slip it back in, pull it out and observe the level.
开车的人即使自己不换油料也知道如何拔出量油尺，将它擦净，插进去，再拔出来观看其水平。