Composite resins are now widely used as filling materials for dental restorations.

复合树脂在口腔临床中的应用已变得日益广泛.

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The sand and gravel in the Yangtze river is good building and filling materials.

摘要长江中下游干流河道内的砂石是较好的建筑和填筑材料.

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When packing valuable and fragile items, we should put anti - earthquake filling materials inside.

在封装贵重易碎品时, 应有 抗震 填充物.

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Grading exploitation of rock - filling materials has great impact on face rock - fill dam filling and construction cost.

面板堆石坝堆石料的级配开采对大坝的填筑质量和施工成本影响重大.

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Objective To investigate the histological effect of the connective tissue for filling materials.

目的研究结缔组织对牙体充填材料的组织学反应.

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