题目内容

可塑度高,反映了胶料的加工性能好。

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自锁的蜗杆蜗轮机构中,蜗杆不能反向旋转来驱动蜗轮。

The soldiers in the war were happy to receive letters because they were homesick.

Pat didn’t feel like ____________________ (参加庆祝活动). (join in)

机动车转向轮或驾驶轴(第一轴)均可装用翻新轮胎。

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