By structural decomposition of the tire buildingdrum mechanism, the number and property of mobility for the mechanism was obtained.
通过对成形鼓机构的结构分解，得到了机构自由度数并对其性质进行了判定。
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In their last hours before deploying to Afghanistan, soldiers said their final goodbyes to family and friends inside a spare concrete building at Fort drum.
Drum dryer, also called drum drying machine. It is widely used in building material, metallurgy, chemical industry, cement industry drying slag, clay materials.