近: Ⅰ形容词1.(空间或时间距离短) near; close 短语和例子近百年史 the history of the last hundred years; 近几年来 in recent years; 歌声由远而近。 the singing came closer and closer. 靠近些。 come closer. 离国庆节很近了。 national day is d
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Near b - titanium ti - 1023 alloy of high - strength , good fatigue strength and excellent hardenability has both a relatively low 3 - transus temperature ( 798c ) and a low forging temperature range , which make it suitable for superplastic isothermal forging to manufacture complex forge pieces Ti - 1023合金属于近型钛合金，具有高强、高韧、高淬透性等特点，而且它的相变温度( 800左右)和锻造温度均较低，非常适合于采用超塑性等温模锻方法制造复杂锻件。
