propellers螺旋辊propellern.螺旋桨；推进器=propellor.propeller bearing forces螺旋桨轴承力propeller projected area推进器投影面积propeller type flowmeter螺桨式量表,螺桨型量计propeller-type turbine旋桨式水轮机propeller characteristics螺旋桨特性propeller-type agitator螺旋桨式搅拌器propeller driven aircraft螺旋桨飞机propeller removing device推进器重移装置propeller driven airplane螺旋桨飞机propeller-type impeller螺旋桨式叶轮

1. Pits are formed in the polycarbonate disk by an injection molding process.
   坑形通过注塑工艺在聚碳酸脂盘面形成。
2. The shadows of Titan and Mimas have both moved off the right side of the disk.
   土卫六和土卫一的阴影都在盘面的右侧移动。