water column head 中文意思是什麼
water column head
解釋
水柱高度-
Jinlong stone arts factory was set up in 1993, covering an arer of 2, 000 square meters, which is a private enter prise engage in processing stone crafts. the factory has advanced stone processing machine in producing arc slabs, columu head, coumn base, ro man column, stone border, stone patterning with water cutting kinfe, fountain ball and st one carving. by using the multi - function column making machine and infrared stone border profiling machine, the factoey can produce high quality products with perfect skills, including column, aperture linking of stone border, angle, arc angle, polish limit etc
金龍工藝廠創辦於1993年,廠房佔地面積2000多平方米,是一家從事石材工藝加工的企業,擁有加工圓弧板、柱頭、柱座、羅馬柱、石線、水刀藝術拼花、風水球、雕刻等先進的石材機械,採用多功能圓柱刨柱機,紅外線石線仿型機,以精細的石材加工工藝使圓柱、石線的拼逢、角度、圓弧度、光澤度等在加工質量有突破性飛躍。 -
The mathematical analysis shows that, with disregarding local head losses and by means of different simplified rigid models, the calculated results of the maximum pressure in a pressurized pipe system containing trapped air mass are equal to and independent of the initial length of the water - column
摘要通過數學分析證明,在不計局部水頭損失時,目前常用的幾種簡化剛性數學模型的最大氣壓計算結果相等,並與管道內初始充水段長度無關。
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