基本释义:

无支撑挖掘

网络释义

1)unbraced excavation,无支撑挖掘

2)braced excavation,支撑式挖掘

3)un-timbered excavation,无支撑开挖

4)lack of cutting force,挖掘无力

5)braced excavation,支撑开挖

6)sheeting for excavation,挖方支撑

用法和例句

It is discovered that the two kinds of lack of cutting force and three reason of action slow.

应用液压传动的基本原理,结合日立EX系列挖掘机机电液一体化的工作特点,对EX系列挖掘机两典型故障(挖掘无力与动作慢)的测试、诊断方法做了系统分析与介绍。