Wire spring jack 线簧插孔
leaf of descartes spring jack 汽车钢板弹簧举升器
jack spring 塞孔弹簧 ; 塞孔接触弹簧
Spring Heeled Jack FM 弹簧腿杰克 ; 弹簧腿杰克德语
jack spring bar 推片弹簧杆
Spring Heel Jack 表演者
Taking jack as an example, the selective principia of software tool and lectotype project was analyzed, the facture process of simulating water flow and enlarging sample for spring was presented.
并以千斤顶为例,分析了工具软件和选型方案的选择原则,给出了放样弹簧、模拟水流等的制作过程。
It was a fine day in spring. Jack went to the beautiful garden with his parents. The family were working in the garden. They were planting some flowers there.
春季的一天,天气晴朗。杰克和他的父母去了漂亮的花园。全家人在花园干活,他们去种一些花。
Jack: I like spring and summer.
杰克:春天和夏天。
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