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poorly graded
 poorly graded
eng.geol. 分选不好的; 分级差的
| soil
 soil
gen. ;
environ. 土壤
met. 脏物; 污物
tech. 土壤

to phrases
poorly graded
eng.geol. 分选不好的; 分级差的
tech. 分选差的; 级配不良的
poorly graded soil
: 16 phrases in 6 subjects
Bridge construction1
Desert science1
Earth sciences1
Electronics1
Hydroelectric power stations3
Technology9