以at89s8252单片机为处理器，针对膜片式双腔制动气室，开发了一种具有USB接口的、测试制动气室漏气状况的自动试验台。

Based with AT89S8252, a test bench was designed to examine the performance of leaking of the air brake Chambers. This device was equipped with USB interface.

youdao

以at89s8252单片机为处理器，针对膜片式双腔制动气室，开发了一种具有USB接口的、测试制动气室漏气状况的自动试验台。

Based with AT89S8252, a test bench was designed to examine the performance of leaking of the air brake Chambers. This device was equipped with USB interface.

youdao