Hollow glass microspheres has a good rolling performance, and it can increase the drilling rate, and Significantly improve the drilling efficiency.

空心玻璃微珠的滚动性能好，可提高机械钻速，从而显著提高钻井效率。

youdao

Glass Beads Box: Hand movement in step clutch, gear cycle, rolling sowing, and disassembly design.

玻璃珠箱：手动同步离合器，齿轮转动，滚动撒播，可拆装设计。

youdao

The rolling contact fatigue performance of ceramic balls with fine compact equal-axis grain and fewer glass phase exceeds that of those with slightness-needle grain and more glass phase.

细小致密的等轴状晶粒、玻璃相少的陶瓷球的滚动接触疲劳性能优于长针状晶粒、玻璃相多的陶瓷球。

youdao

Or,he or she can place the hot glass on a metal table called a marver to shape the form by rolling it back and forth.

VOA: special.2009.09.16

Mention wine tasting to a San Francisco visitor and bucolic scenes of rolling vine-covered Napa Valley hills swirl like a ruby red in a crystal glass.

BBC: San Francisco��s urban wine renewal