slope b斜率6slopen.倾斜；斜坡；斜面；斜率；斜线vt.使倾斜vi.倾斜；有坡度slope LHD driving斜坡道无轨掘进slope maintenance边坡防护slope orientation坡向slope coefficient斜率slope reinforcing滑坡治理slope reliability边坡可靠度slope to the east向东倾斜slope development斜井开拓slope improvement坡面治理slope away toward向