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發表於:2017-11-15
impervioustomoralpersuasion.Amaterialimpervioustowater.amaterialimpervioustowater;steelimpervioustobullets;someoneimpervioustoargument.Thismaterialisimpervioustorainwater...
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發表於:2018-09-16
Researchanddiscussiononquestionsofconstructionofearth-rockdamswithasphalt-concreteimperviouslayerThisimperviouslayerorboundarywillretardthefreediffusionofmoisture.Thiscon...
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發表於:2017-08-10
Thismaterialisimpervioustorainwater.Itdispelsthenotionthattheplantsareimpervious.Howdotheytrainthemselvestobesoimpervioustoreality?Wearapprovedrespirator,protectiveclothi...
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發表於:2017-01-28
afabricimpervioustomoistureatransparentpaper-likeproductthatisimpervioustomoistureandusedtowrapcandyorcigarettesetc.....
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發表於:2017-11-09
ExperimentalresearchonasphaltconcreteimperviouscorewallforYelehydropowerstationApplicationofgravellysoiltotheimperviouscoreofthedamforXijingheReservoirDuetoitsnaturalcond...