main oil manifold是什么意思

用法例句

The basic theory about clearage carbon deposits in the inner part of main feul tubes of engine by ultrasonic method was introduced.

本文介绍了超声波技术用于清除发动机燃油总管积碳的基本原理以及超声波设备的开发研制和超声波清洗的工艺过程。