自动还是非？

Name: When To Choose Automatic or Non-automatic Pumps
Uploaded: 2017-07-26
Duration: 3 min 19 s
Description: Do you understand the difference between an automatic pump and a non-automatic pump? We'll help you determine which is best for your application.

你了解自动泵和非自动泵的区别吗？我们将帮助您确定最适合您的应用程序。