词汇	Permeable sand layer
释义	Permeable sand layer 透水砂层
随便看	compensating air supply compensating air valve compensating alloys compensating ampere turns compensating ampere-turns compensating amplifier compensating and favoring the merchants compensating arrangement compensating attenuation meter compensating axle suspension compensating balance compensating balancer compensating balances compensating balances plan compensating balance spring compensating bar compensating base-bar compensating base-line apparatus compensating base-line measuring apparatus compensating basin compensating beam compensating bellows compensating binnacle compensating body compensating box