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

1.每700个婴儿中就有1个会有这多条染色体。

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

2.综合分析杯碗式固定挤压垫封效果差原因,针对固定挤压垫结构进行改进。