He breathed deeply and expanded his chest . 他边深呼吸边扩胸。
In the latter instance we say that there are explosive oscillations . 在后一种情形中我们说存在一个扩幅振荡。
Gene cloning provides a means of purifying and propagating specific dna segments . 基因克隆化提供了一种纯化和扩增特定DNA片段的方法。
The hot water is brought to a container where the pressure is kept below 0. 5 atmosphere . 热水引到压力保持在05大气压以下的扩容器中。
The loosening holes outside the plough cut are also drilled at an angle which improves the breakage possibility . 在楔形掏槽眼外侧的扩槽眼也要有角度以改善爆破效果。
An auxiliary ejector with as little blockage in the ducting as possible is placed behind the inlet of the diffuser duct . 一个辅助引射器，在通道中要以尽可能小的堵塞面积布置在扩压器进口之后。
Many of the difficulties just described are avoided by the use of an auxiliary ejector and an engine exhaust diffuser which are placed in tandem . 利用直列放置的发动机排气扩压器和辅助引射器，可以避免上述许多困难。
