⑥触摸测试法。

River dipstick test method.

youdao

让特定的人使用你的触摸屏，以此作为测试。

To allow specific people to use your touch screen, as a test.

youdao

让特定的人使用你的触摸屏，以此作为测试。

To allow specific people to use your touch screen, as a test.

youdao