supporting and protection

• 支护

supporting and protection的用法和样例：

例句

1. 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。
2. 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。