Heat the glass tube to the point that it can bend.

将玻璃管加热,以能弯曲为度.

《现代汉英综合大词典》

With the words he handed Professor Wang a tube.

说着他交给王教授一个试管.

《简明英汉词典》

An experimental research on the performance of a small flow vortex tube is introduced.

本文用实验方法研究了小流量涡流管制冷的特性.

期刊摘选