| 词汇 |
supporting and protection |
| 释义 |
supporting and protection
基本例句
支护
It is applicable to the sandy and gravelly soil slope.适用于砂性土层和砂砾土层的深基坑边坡支护。
The roadway excavation and supporting are crucial techniques in mining engineering.巷道掘进与支护是采矿工程的技术关键。 |
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