浪费再循环机器：要挤出并且变成小球形的二级螺丝。
Waste Recycling Machine: Two-stage screw to extrude and pelletize.
在一个球形气体反应堆里的每一个“小球”都是一个网球大小的石墨燃料球。
Each "pebble" in a pebble-bed gas reactor is a graphite fuel sphere the size of a tennis ball.
对小球形液膜内气体经由细管流向大球形液膜内过程中，球形液膜的动态特性做了理论模拟与实验研究。
A demonstration is designed to verify the dynamic characteristics of spherical liquid film as the gas in a small spherical liquid film flows to the big one through a tubule.
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