Steel tube length or double length delivery, for steel pipe bending degree requirements.
钢管以定尺或倍尺交货，对钢管弯曲度有一定要求。
The reasons, which result in over length fiber, double length fiber, crimp ratio waving and specific resistance rising, were discussed.
探讨了生产涤纶短纤维过程中产生超长、倍长纤维，卷曲率波动和比电阻升高的原因。
The content of chlorogenic acid was measured by double-length UV-spectrophotometry.
用双波长分光光度法测定绿原酸的百分含量。
The content of chlorogenic acid was measured by double-length UV-spectrophotometry.
用双波长分光光度法测定绿原酸的百分含量。
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