预热，预先加热到指定的温度。预热指的是为防止急热，焊接前先对材料预热。（ 如火焰加热）现也指预习准备做某一样事时，为此做好准备。
... use up用尽；花光 warm up加热；变暖；(运动前)热身；(机器等)预热；激动起来；活跃起来 wash up洗碗碟等餐具；洗手脸；洗手不干，不再过问 ...
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... Wait Person侍应生 Please Wait请等待;预热;请稍候;本机正在检查字模是否正确放入请稍等 wait upon侍候 ...
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预热塞 EIKO ; english Glow Plug ; Flame Glow Plug
预热器 [机] preheater ; forewarmer ; heat booster ; intake air heater
预热温度 preheat temperature ; preheat temp
预热区 [冶] Preheating zone ; zone of preheating
预热带 [冶] preheating zone ; zone of preparation
预热炉 preheating oven ; preheater ; preheater furnace
预热指示灯 GLOW
预热空气 [冶] preheated air ; tempered air ; tempesing air
电预热 Electric preheating ; Electricity preheating
The thermal residual stress of laser cladding layer without preheating is 700 MPa, and phase changing residual stress is 850 MPa.
未预热的熔覆层存在热应力的残余应力峰值700MPa．和相变应力的残余应力峰值850MPa。
参考来源 - 期刊学术社区Using this system, adding a low-temperature testing caisson, we can examine and test the apace warm-up crystal oscillator, the main items include: temperature coefficient, frequency adjusting range, load characteristic, voltage characteristic.
利用该系统,增加低温试验箱可以开展快速预热晶体振荡器的检测工作,主要项目有:温度系数、频率调整范围、负载特性、电压特性。
参考来源 - 多路时间频率自动检测系统的分析与设计The following aspects are mainly included in this dissertation.1. According to the research on the trial prototype,the parameter design of the device is completed by calculating the pre-heat load.2.
本论文主要包括以下几个方面:1.根据对冷冻试验设备的研究,计算预热负荷,实现对超低温冷冻治疗设备的参数规划和设计。
参考来源 - 超低温冷冻治疗设备的设计与实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
他等着车预热起来。
申武投资初期安装了一个热交换器，将进入炉内的空气预热，降低了客户的燃料成本。
Shenwu puts up the initial investment to install a heat exchanger that preheats the air going into the furnace, slashing the client's fuel costs.
接着，杰夫打开第二个炉子给煎锅预热。
Next, Jeff turned on the second stove burner to heat up the frying pan.
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