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quick ground
bridg.constr. 流砂土
dril. 流砂层
el. 快速接地
eng.geol. 流砂地〔土〕; 松软地层
geol. 流沙
hydroel.st. 流沙土
tech. 流沙地层
quick ground
: 1 phrase in 1 subject
Technology1