生态脆弱地区 ecologically fragile areas

软弱地基 soft ground ; soft foundation ; weak foundation

薄弱地层 weak formation

虚弱地 weakly ; on the lift ; unsteadily ; infirmly

微弱地 faintly ; weakly ; feebly

软弱地 weakly ; flabbily ; schlaff

压漏薄弱地层 leakage of thin layer

脆弱地 frailly ; flimsily

衰弱地 wanly ; feebly

柔弱地 feebly ; femininely ; flimsily