creating a partial vacuum
This increases the cylinder volume above the piston, creating a partial vacuum, which is immediately filled with a mixture of petrol and air forced in by atmospheric pressure.
基于1个网页-相关网页
creating a partial vacuum
造成部分真空
以上为机器翻译结果，长、整句建议使用 人工翻译 。
-
Air pumps are involved, but their role is limited to creating a partial vacuum in the pipes in order to reduce resistance to the capsules' movement.
也使用气泵，但作用仅限于在管道中制造半真空，以减小胶囊运行的阻力。
youdao
更多双语例句