helical tube 螺旋管
helical-tube type heat exchanger 螺旋管型热交换器
big helical tube 大盘管
UPVC helical tube UPVC螺旋管道
helical tube arrays 螺旋管管阵
dimensional helical tube 空间螺旋管束
a helical tube wall 螺旋管壁
thin walled helical tube 薄壁螺旋管
Objective To explore the bowel and ordinary helical tube in critical patients in clinical application and nursing effect.
目的探讨螺旋型鼻肠管和普通胃管在危重症患者中的临床应用及护理效果。
The experimental results helped to study the dynamic characteristics of helical tube arrays in air cross flow.
这一实验结果将有助于进一步了解螺旋管管阵在横向气流激励下的振动特性。
This paper analyzes the work principle of the three planet rollers mill for helical gill tube, and gives a formula as the basis of transmission system design.
分析了螺旋翼片管三辊行星轧机的工作原理，给出了传动系统设计的基本公式。
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