采用隧道尾而增大螺旋桨直径，是提高排水型快艇快速性能的一条重要途径。
It is an important way for improving the rapidity of a displacement craft to adopt tunnel stern and increase propeller diameter.
的表载列螺旋桨负荷值可用于比较不同直径和可调桨，以他们的负载对发动机。
A table containing values of propeller load can be used to compare propellers of varying diameter and pitch, as to the load that they impose on the engine.
“高速”型的现代水平轴风力涡轮机，如用于大规模发电的那种，一般包括两个或三个直径为100米或更大的螺旋桨式叶片。
Modern horizontal axis wind turbines of the "high-speed" type, as used in large scale power generation, typically include two or three propeller-style blades with a diameter of 100 meters or more.
能生产直径9米以内各种铜合金牌号，各种用途的船用螺旋桨。
The enterprise can manufacture all kinds of copper-alloy marine propeller with diameter up to 9m.
机器的 推进器包含了大直径慢速转动的 螺旋桨，而且推进水流由喷嘴送出，以避面剧烈搅动扰乱了结块的淤泥。
The thruster contained a large-diameter, slowly rotating blade with nozzles that diffused the propulsive flow, minimizing the churning that would otherwise disturb the caked silt.
文中还就最佳直径问题，将新图谱与以前发表的三叶至五叶B型螺旋桨图谱作了比较。
On the optimum diameter problem of3 to 5 blade B-propellers, the new diagrams are compared with the old ones.
设计了圆盘型涡凹曝气头和螺旋桨型涡凹曝气头，比较了两种类型曝气器的引气量、曝气气泡直径、粒径分布等。
The design of the disc turbine aerator and the oar turbine aerator are discussed. Their inspiratory capacity, air bubble diameter and distribution frequency are compared.
设计了圆盘型涡凹曝气头和螺旋桨型涡凹曝气头，比较了两种类型曝气器的引气量、曝气气泡直径、粒径分布等。
The design of the disc turbine aerator and the oar turbine aerator are discussed. Their inspiratory capacity, air bubble diameter and distribution frequency are compared.
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