词汇	ecological fragile zone
释义	ecological fragile zone 生态脆弱带
随便看	pressure recovery ratio Pressure recovery system pressure redaction pressure reduced Pressure Reduced Value pressure reducer pressure reducer and attemperator pressure reducing pressure-reducing pressure reducing and relieving valve pressure reducing and relieving valvehydraulic pressure reducing and relieving valvepneumatic pressure reducing bushing pressure reducing chamber pressure reducing circuit pressure-reducing controlling device pressure reducing device pressure-reducing device rocker pressure reducing fill Pressure reducing manometer for acetylene pressure-reducing mechanism pressure reducing micro switch pressure reducing orifice chamber pressure reducing regulator pressure reducing reservoir