Through the filter protective soil tests and fissure self healing tests, the filter design standard of the wide grading anti seepage materials of Shuibuya Project is given.

通过反滤保土试验及冲刷自愈试验，给出了适合水布垭宽级配防渗料的反滤设计标准。

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After training, you can master the skills of soil dumping, backfill, digging, grading, leveling, compacting, loading and crowding.

倒土、回填、挖坑、修坡、找平、压实、装车、爬托盘等。 在校期间让每位学员学会以上项目。

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