The bearing capacity of soft subsoils of Xiangtan-Shaoyang Expressway is been studied by the methods of slab loading test, the portable dynamic probe test and the cross plate shear test.
选用平板荷载试验、轻便动力触探试验、十字板剪切试验等三种测试手段，对潭邵公路软土地基承载力进行了研究。
In this paper, a multifunctional welding machine is designed with the characters of high power factor, soft switching and portable remove.
本文设计了一种适用于中大功率、便携式逆变焊机，具有电源输入侧功率因数高，主功率器件实现软开关等特点。
Soft, but sturdy wedges perfectly apply and blend foundation for a smooth, flawless look. Convenient portable case is perfect for cosmetic bag storage.
海绵表面柔软，内里结实，令粉底妆容更加顺滑、无暇。附有方便携带的盒子，可以放进随身化妆包里。
This paper introduces the circuit topology of portable inverter arc welder with soft snubber, mainly power circuit is a double switch forward converter with assistant resonant circuit.
主电路采用具有无源辅助谐振网络的双管正激变换器，与普通双管正激变换器相比，功率管开关状态得到较好的改善，同时并没有增加电路的复杂性。
This paper introduces the circuit topology of portable inverter arc welder with soft snubber, mainly power circuit is a double switch forward converter with assistant resonant circuit.
主电路采用具有无源辅助谐振网络的双管正激变换器，与普通双管正激变换器相比，功率管开关状态得到较好的改善，同时并没有增加电路的复杂性。
应用推荐