n.膨胀；凸出；打气；撑压内形法
动词bulge的现在分词.
The hydroforming of bulging in the middle of a tube was studied. 选择圆管中间膨胀的液压成形为研究对象。
Because of the bulging, the already steep north side of the volcano was becoming even steeper. 由于发生了膨胀，原来已很陡的火山北坡更陡了。
He had a bulging glass eye that seemed more interested in his interlocutor than the healthy eye. 他有只凸出的玻璃假眼，跟人说话时，这假眼对人的兴趣像是比好眼更多些。
