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(xiàn)傾斜度影響著(zhù)波紋管繞流的流場(chǎng)和其表面壓力的分布。
滬公網(wǎng)安備 31011502000490號
電信業(yè)務(wù)許可證編號：滬B2-20190700
