1.About 1 in every 700 babies has this exbert cuppy, the extra copy.

1.每700婴儿中就有1会有这多余的一条染色体。

2.The article analyzes the reasion of poor effect for cuppy fixed dummy block in aluminium alloy extrusion press.

2.综合分析杯碗式固垫实际密封效果差的原因,针对固垫的结构进行改进。