Shenzhen Yu-feng of solder Co. , Ltd. is a professional production and sale of flux Series: Disposable flux, Rosin flux, water-soluble flux, lead-free flux;
深圳市宇锋达焊料有限公司是一家专业生产、销售助焊剂系列：免洗助焊剂、松香型助焊剂、水溶性助焊剂、无铅助焊剂；
Having optimized preheat temperatures, solder pot temperatures, and flux volume, the conveyor speed may have to be reduced to accommodate the solder wetting when using lead-free solder.
对预热温度、焊料槽温度和焊剂体积进行优化后，还可将传送带速度降低，以适应使用无铅焊料时的熔湿速度。
This model considers free surface boundary, flux boundary, horizontal flow barrier, well boundary, non-linear characteristics of soils and dynamic change of permeability coefficient with stress state.
该模型考虑了自由面边界、流量边界、基坑围护连续墙、井边界、土体非线性特性、土的渗透性随应力状态的变化。
This company is the production of pollution-free, low flux of the professional manufacturers of non-ferrous metals.
本公司是生产无公害、低消耗有色金属熔剂的专业厂家。
The main products are: solder wire, lead-free solder bar, line, lead-free solder paste, strips, tin ingots, flux, electroplating anode, babbitt, etc.
主要产品有：焊锡丝、焊锡条、无铅锡线、无铅锡条、锡膏、锡锭、助焊剂、电镀阳极棒、巴氏合金等。
Soldering flux meeting the lead-free requirements is used for the lead-containing solder paste manufactured by our company.
本公司生产的有铅锡膏已采用符合无铅要求的助焊膏。
Relay. Coil voltage 9VDC. Footprint regular. Flux free. Coil sensitivity 0.2W. Duty version 2A.
继电器。线圈电压9VDC。足迹定期。无焊药。线圈灵敏度0.2W。职务版本2A。
Materials meeting lead-free requirements are used for lead-containing soldering flux made in our company.
本公司生产的有铅助焊剂已采用符合无铅要求的材料。
The model for the escape of rising gas bubbles at free surfaces, which is a part of the drift-flux model, has been improved to include a rate for their escape.
为上升气泡沫的逃亡·模型在冲销-磁束的模型一部份的免费表面已经被改良为他们的逃亡包括比率。
The factors affecting soldering ability of rosin-based flux for lead-free solder paste, and the factors affecting erosion resistance are discussed.
实验结果表明，松香种类不影响无铅焊膏用松香型助焊剂的助焊性能。
The flux method is free of the sensitivity to the mesh discretization and saves calculating time.
该方法对网格离散化不敏感，无需积分，计算省时。
The flux method is free of the sensitivity to the mesh discretization and saves calculating time.
该方法对网格离散化不敏感，无需积分，计算省时。
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