channel-contraction work 河道束窄工程
blade channel contraction ratio 叶道收缩系数
Unique heat contraction channel 独特热收缩通道
Three new conceptions of blade channel contraction factor, whistling generation function and surging generation function are proposed.
提出了叶道收缩系数、哨声发生函数和喘振发生函数三个新概念。
The calcium channel blockade of tetrandrine could be related to its antagonistic action on tracheal contraction induced by anaphylactic mediators.
汉甲的钙通道阻断作用可能与其拮抗过敏介质收缩气管的作用有关。
The entry convergent flow pattern was observed with flow visualization technique when the resin melt flowed through a die featuring abrupt contraction in cross-section of channel and axial symmetry.
应用毛细管流变仪测量了在接近实际挤出工艺条件下低密度聚乙烯熔体的流变性质； 应用流动可视化技术，观测了试样熔体流经突然收缩的轴对称口模时的入口收敛流型。
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