There are two types of low stiffness rubber bearings, natural rubber bearings and lead plug rubber bearings, total 18 specifications and 30 large diameter specimens are tested.

研究用低硬度橡胶隔震支座包括天然橡胶隔震支座及铅芯橡胶隔震支座两大类18种规格总计近30个大直径隔震支座。

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The drift diameter is the inside diameter (ID) that the pipe manufacturer guarantees per specifications.

通径规的直径就是管子生产商所能够确保的每一管子说明书上的内径。

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By comparing granules in different specifications of Chinese yam, select best granule diameter, replace the primary artificial package with machine for large batch production.

通过对山药的不同规格的粉碎颗粒比较，择优选取适合的粒径，进行机械包装替代原始手工包装研究，以达到大批量生产的目的。

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