英语语法分析

The tests indicate that ferrography is an effective monitoring method.

试验表明，铁谱技术是一种有效的监测方法。

The ferrography is a fault diagnosis method based on the analysis of wear debris.

铁谱技术是以磨损磨粒分析为基础的故障诊断方法。

This paper Outlines the application of ferrography in the test of a diesel engine.

本文概述铁谱技术应用于柴油机试验的情况。