1.
Propeller fans exhaust air through holes in the wall.
螺旋式通风机从壁孔中排出空气。
2.
helical entry cyclone
螺旋进入式旋风分离器
3.
mechanical controllable pitch propeller
机械式可调螺矩螺旋桨
4.
screw-conveyor type centrifugal
螺旋输送机式离心机
5.
General technical requirements for type C helical video tape recorders
GB/T9370-1988c格式螺旋扫描录像机通用技术要求
6.
hand-operated vertical screw press
手摇立式螺旋压榨机
7.
screw-feed diamond rig
螺旋给料式金刚石钻机
8.
propeller-jet engine
螺旋桨喷气式发动机
9.
hydraulic gait-model all-auger drilling machine
液压步履式螺旋钻孔机
10.
auger backfiller
万能螺旋钻式回填机
11.
a roll in which the plane follows a spiral course.
飞机螺旋式的翻滚飞行。
12.
electromechanical screw time release
机电螺旋式限时解锁器
13.
electric sludge conveyer worm type
电动螺旋式泥浆输送机
14.
An Experimental Study on the Propeller Rotor of the Concentrated Wind Energy Turbine;
浓缩风能型风力发电机螺旋桨式叶轮的实验研究
15.
electric-mechanical controllable pitch propeller
电动-机械式可调螺距螺旋桨
16.
Study on Casting Process Numerical Simulation for Grinding Machine of Double Helix Scroll Cover
双螺旋辊式磨浆机螺旋套铸造工艺数值模拟
17.
Design and calculation of slide-block connection between screw pipes of screw conveyor
螺旋输送机螺旋管滑块式连接的设计计算
18.
multicellular straight through cyclone
多室直通式旋风分离器