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淬火加高温回火的目的是使钢件获得强度、硬度和塑性、韧性都较好的综合机械性能。
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在语音通信交换系统内，给席位地图/角色改变无线电、电话及功能按键的配置是通过哪个系统进行？（）。
根据《江苏省农村信用社支付清算业务考核办法（修订）》的规定，提入支票影像业务超期回执的，每笔扣（）分。
While reading the station bill, you find "three (3) short blasts on the whistle and three (3) short tings on the general alarm bells," this signal is for （）.
The additional mark （） in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
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