n. scall
misc. loose rock
雷龙蛋化石是潜藏于疏松砂岩石中，科学家们认为在幼仔刚刚孵化出来时就遭受到了蛇的袭击，而他们很可能是因为受到暴风雨的袭击而被快速得被掩埋在了沙土之中。
The titanosaur eggs were laid in loose sand. Scientists believe the hatchling had just emerged from its egg when the snake struck, attracted by its movements.
渤海主要油田的岩石胶结疏松，均需要防砂，因此，在开采中应对特殊的工艺问题进行攻关。
The reservoir rock of main oilfields in Bohai is unconsolidated and sand controls are needed, therefore, special technical problems must be resolved in production.
疏松砂岩气藏由于埋藏较浅、岩石胶结性差，并且粘土和杂基含量高，使得这类气藏在开采过程中容易出砂。
Unconsolidated sand reservoir always be buried not deep, because of it's low cementation and high content of clay and sundry, the unconsolidated rock is easy to sanding during exploitation.
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