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<p>直缝焊管，用热轧或冷轧钢板或钢带卷焊制成的钢管在焊接设备上进行直缝焊接得到的管子都叫直缝焊管。（由于钢管的焊接处成一条直线故而得名）。</p>
<p><s****ong><span ****=&#34;color:#e53333;font-size:14px;&#34;>山东聊城市首创钢管有限公司 </span><br />
<span ****=&#34;color:#e53333;font-size:14px;&#34;>手机：18865122122 电话：0635-8878184，8878084 </span><br />
<span ****=&#34;color:#e53333;font-size:14px;&#34;>传真：0635-8878084 手机：188648...</span></s****ong></p>]]></description>
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