| 释义 |
- 1
A vacuum pump, housed in a rusty ammo box, captured a fumarole's plume. 一个生锈盒子里装着一台真空泵，用来捕获喷气孔冒出的烟羽。 - 2
The University of Maine arches, on the other hand, can be fabricated on site — the fabric inflated, bent around a simple form and infused with resin using a vacuum pump. 而另一方面，缅因大学的拱梁可以在现场构建——纤维布套充气、弯曲成简单形状，用真空泵灌注树脂。 - 3
The tube is connected to either a hand-held vacuum pump, or to an electric vacuum, and the pregnancy is removed. 该导管或与手持真空泵联结，或与电动真空泵联结，然后移除胎儿 。
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