This article mainly expounds the rationality of spheroid-bed structure with respect to thermometallurgy theory.

本文主要从热工理论方面探讨了球床结构的合理性。

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Permeability of coal bed is one of the critical factors involving coal bed structure and development of cleating.

其中煤层的渗透性是关键因素之一，包括煤体结构和割理发育程度两个方面。

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Coalfield structure was controlled by NNE structure. Coal bed structure thinning belt was also extended in NNE directions, Southern Hebei coalfield.

煤田构造主要受北北东向构造所控制，其煤层构造变薄带也主要呈北北东向伸展。

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Max knew that a bunk bed was the perfect structure to use when building an indoor fort.

NEWYORKER: Max at Sea

She and her husband piled blankets and pillows onto the structure for a bed.

WSJ: Modern Homes: To Doze, To Design in Hong Kong

These cylindrical cushions, as precisely defined as topiary, add structure to a bed or sofa while still ensuring comfort.

WSJ: Bolster Cushions Win Best Supporting Rolls