At the present, there are mainly Dunlop and Talalay protection technologies for latex pillow, which is more permeable than any other pillows by virtue of honeycomb air hole technology.
乳胶枕目前主要有邓禄普工艺与塔拉蕾生产工艺，因其蜂窝状气孔工艺，乳胶枕较其他枕头更为透气。
Thermal fatigue life of lead-free solder joint of Air-conditioner PCB (Printed Circuit Board) under the form of THT (Through Hole Technology) is studied.
本文对空调器印刷电路板(PCB)通孔插装形式无铅焊点的热疲劳寿命进行了研究。
Thermal fatigue life of lead-free solder joint of Air-conditioner PCB (Printed Circuit Board) under the form of THT (Through Hole Technology) is studied.
本文对空调器印刷电路板(PCB)通孔插装形式无铅焊点的热疲劳寿命进行了研究。
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