sjz
- 网络石家庄市
sjz-
In order to establish the parasitological detective methods , the parasites of200 mice & 50 rats were investigated in SJZ district .
本文以建立大、小鼠寄生虫学监测方法为目的，对石家庄地区200只小鼠和50只大鼠寄生虫的携带情况作了调查。
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The production of crushing material for white / bronze UPVC shaped window / door products on SJZ 60 / 125 concial twin screw extruder
白色/古铜色UPVC门窗异型材破碎料在SJZ60/125型锥形双螺杆挤出机上的生产