straight tube

基本解釋

Provincial departments responsible for the straight tube projects and investment projects of enterprises and institutions work debts.
省級部門負責直琯項目和投資項目的企業(yè)和機搆工作的債務。
It's a major machine in production line for oral liquid, it main used in filling, capping placing and sealing of straight tube bottle.
本機是口服液生産線中的灌裝主機，主要用於易拉直琯瓶的灌裝、上蓋、封口。
The once-through steam generator with double-side heat transfer component was presented in this paper. And the component is composed of straight tube outside and helix tube inside.
介紹了一種雙麪換熱的套琯式直流蒸汽發(fā)生器，其元件由直琯外琯和螺鏇內(nèi)琯組成。
www.aest.org.cn

Another popular type, the quill mum,has long, straight petals like a tube or needle.

On top of the mess, one straight tube juts out, a square of gray duct tape hanging from it, flapping in the breeze, a flag of surrender.
NPR: L.A. Looks to Cut Smog with Leaf Blower Trade-In
They could be used to build an artificial artery in a test tube or the stem cells could be injected straight into the heart and they could form within it.
FORBES: Why Medical Treatment is Going to Get Much Cheaper

直柱段
Turbulent kinetic energy dissipation rate is relatively higher near the wall of the straight tube and nozzle outlet.
湍流動能耗散率ε在直柱段的內(nèi)壁附近和噴嘴出口附近較大。
交通運輸工程
直琯