This patented design gives it just the right weight and springiness to bounce on water and not sink.
这个专利设计刚好给予了此球恰到好处的重量和弹力，以便球可在水上跳起而不下沉。
Spiral reflector, uniform beam pattern, patented design.
螺旋形反光器，统一光斑，专利设计。
My company design of reinforced cushion block, reinforced cushion block mould gained several national patented design.
我公司设计的钢筋垫块、钢筋垫块模具获得了多项国家设计专利。
My company design of reinforced cushion block, reinforced cushion block mould gained several national patented design.
我公司设计的钢筋垫块、钢筋垫块模具获得了多项国家设计专利。
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