与传统的电动套丝机相比，重量轻。
With the traditional electric pipe threader than light weight.
与套丝加工相比，滚压加工后304钢管螺纹的抗剪拉力和硬度均有大幅提高。
Compared with the thread obtained by cutting process, the shear strain and hardness of 304 steel pipe thread has been increased significantly after rolling process.
她的朋友小鸟从树上飞出来，为她带了一套金银制成的礼服和一双光亮的丝制舞鞋。
Then the bird threw a gold and silver dress down to her, and slippers embroidered with silk and silver.
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