传统方法：高速涡轮机联轴器经常要采用紧配螺栓，而紧配螺栓的安装和拆卸都非常麻烦。
Old Method: High speed turbine couplings often utilize fitted bolts which can be difficult to install and remove.
目的：探讨高速涡轮机在辅助拔牙，特别是在下颌近中低位及水平位阻生牙的拔除中的优越性。
Objective:To investigate the superiority by using high speed air turbine drill in extraction of impacted mandibular teeth, especially in low mesioangular impaction and horizontal impaction.
方法：对150例应用高速涡轮机辅助拔牙的临床观察，与传统的锤凿法相对比，观察其手术时间及术后反应的情况。
Methods: 150 cases of turbine drill -assisted extraction were compared with orthodox chisel in their reaction after surgical time and the situation of complication.
而普拉特&惠特尼则正在尝试在风扇和涡轮之间加入一个变速箱，因为风扇低速运转更高效，而涡轮机高速运转则更高效。
Pratt &Whitney is exploring putting a gearbox between the fan and the turbine, because fans run more efficiently at low speeds and turbines operate better at high speeds.
在一些比较老旧的行业如钢铁、记忆芯片，在新兴的行业如太阳能电池、风力涡轮机、高速铁路等，情况也是一样的。
Same would go for steel and memory chips among older industries, and solar cells, wind turbines and high-speed trains among new industries.
高速航行时，主涡轮机接管工作。
Pratt&Whitney在探索将一个变速箱放在风扇和涡轮机中间，因为风扇在低速时效率较高，而涡轮机则在高速时更高效。
Pratt & Whitney is exploring putting a gearbox between the fan and the turbine, because fans run more efficiently at low speeds and turbines operate better at high speeds.
“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.
“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.
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