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˾оIJҾoӰzyԇ£ 1. 20MPa 2.ȡˮԼͺԵȣc̩3966ஔ(dng)ͬԇͬh(hun)yԇՕrgͬ 3.X22.5mm) 300WЉx20ֹ60ⲻRϜyԇFUѲ ṩNͬճȵğoӰzӹzY(ji)(gu)zͬrԞ͑Nͬ;uvzgӭV͑ǰԃxx
˾оIJҾßoӰzyԇ£ 1. 20MPa 2.
2011-07-03˾оIJҾßoӰzyԇ£ 1. 20MPa 2.
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