...受客户指定规格代工制造 )&def弯头(Elbow)：卡箍式弯头(Clamp Elbow)&def焊接式弯头(Weld Elbow)&def螺纹式弯头(Threaded Elbow)&dec三通(Tee)：卡箍式三通(Clamp Tee)&def焊接式三通(Weld Tee)&def螺纹式三通(Threaded Tee)&dec 四通(Cross)：卡箍式四通(Cla...
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education industry top-ten equipment company china » 中国教育行业十大设备公司 SCREWED TYPE ELBOW » 螺纹式弯头 People should get along well with the nature » 人们应该与自然相处得很好 ..
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