Ensure the fittings of Ripple Pipe and water pipe have be screwed down. 確認波紋管和水管的接頭是否擰緊。
The degree of obliqueness of the corrugated tube surface profile has some influences on the velocity distribution and pressure field. 波紋管的表面型線傾斜度影響著波紋管繞流的流場和其表面壓力的分佈。
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