penetration test
(engineering) Either a static or dynamic test of the relative density of sand, silt, etc. using a penetrometer.
Very cold. / (figuratively) With a strong physical or psychological unpleasant effect.
plural of Geat
plural of masoret
着工前に技術者たちはペネトロメータによる貫入試験を実施して砂の相対密度を測定した。
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