echostructures
plural of echostructure
A substance, natural or man-made, which is intrinsically dangerous or otherwise poses a safety hazard. Examples are materials which are explosive, poisonous, chemically active (including acids and ...
A hamlet in Hatherton parish, South Staffordshire district, Staffordshire, England (OS grid ref SJ9509).
plural of detrition
技師は検査中に不規則なエコー構造を確認し、さらなる検査を促した。
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