Guide vanes located either before or after the fan convert the tangential component of the velocity head into static head.

導(dǎo)向漿葉安裝在風(fēng)機(jī)的前面或者后面把速度壓力值的切線角值轉(zhuǎn)換為靜壓力值的切線角值呦精品www在线播放。

The impact velocity, head acceleration and encephalic stress peak during impact are important biomechanical parameters.

撞擊速度、頭顱的加速度和顱內(nèi)壓力峰值是反映頜面部撞擊傷合并顱腦損傷的重要生物力學(xué)參數(shù)久久ri国产蜜臀AV。

In demarking the heat-bulb velocity measurement head , the computer-measurement system is taken as a whole, so the demarked data can be conveqed directly to the computer to decrease the possible error of the system.

在熱球風(fēng)速儀測(cè)頭的標(biāo)定中，將電測(cè)系統(tǒng)看成為一個(gè)整體午夜a片视频播放器，由微機(jī)直接讀數(shù)以降低系統(tǒng)誤差91无码视，并給出了16路測(cè)頭的修正曲線。

Based on groundwater dynamics in porous media, seepage state about solution in leaching heap was analyzed, and its criterion and the basic relation between flow velocity and water head gradient in each state were put forward.

摘 要：在多孔介質(zhì)地下水動(dòng)力學(xué)的基礎(chǔ)上av资源观看，分析溶浸液在浸堆內(nèi)的滲流狀態(tài)最新在线精品国自产拍三级片，并提出滲流狀態(tài)判據(jù)、各自狀態(tài)下的滲流速度與水力梯度基本關(guān)系式久久综合色88888。

But its head loss increasing velocity is a little bigger.

但它引起的水頭損失增長較快久久国产精品一区。

velocity head：速度頭

velocity distribution law 速度分配定律 | velocity head 速度頭 | velocity modulation 速度燈

velocity head：速度[水]頭

sink 匯 | velocity head 速度[水]頭 | corner flow 拐角流

velocity head：臨水頭

velocity 速度 | velocity head 臨水頭 | velocity measurement 速度測(cè)定

velocity head：速頭

velocity gradient 速度梯度 | velocity head 速頭 | velocity of blade 葉片速度

lost velocity head：速度頭損失

lost tool 落在井內(nèi)的工具 | lost velocity head 速度頭損失 | lost wax casting 蠟?zāi)ｈT造