抽拉式承重架道轨，不会污染食物和餐具，经久耐用。
Pull type bearing frame rail, no pollution of food and tableware, durable.
研究了不同的抽拉速率对第二代单晶高温合金dd 6凝固组织的影响。
The effect of withdrawing rate on the solidification microstructure of a single crystal superalloy DD6 was investigated.
西成矿田中所有矿床的产出特征、规模和部位完全受抽拉—逆冲岩片构造的控制。
The occurrence characteristics, size and position of all the deposits in the Xicheng orefield are completely controlled by the Choula (draw) -thrust sheet.
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