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。
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。
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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