Manning speculated that the dinosaur collapsed in a riverbed during the late Cretaceous Period and was rapidly buried in mineral-rich wet sand, preventing bacteria from devouring all of its tissue.
曼宁推测，在晚白垩世时期，恐龙倒在河床上，并迅速埋在矿产丰富的湿砂，(这些沙)防止了细菌吞食其所有的组织。
On the basis of groundwater dynamics, with the condition of critical hydraulic of the seepage failure, deducted critical condition and the estimating formula of preventing inrush of sand.
以地下水动力学为基本原理，建立了以渗透破坏的临界水力坡度为条件的预防溃砂发生的临界条件和预计公式。
The mechanism of sand adhering to casting parts is simply analyzed, some preventing measures for quality control proposed.
对铸件的粘砂机理作了简单分析，针对其影响因素，提出了防止铸件粘砂及其质量控制的措施。
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