The engine, as it cooled itself, sucked in air through the outlet hose, producing suction in the vacuum chamber, and so drawing the plunger down and compressing the spring.
当引擎冷却时，通过出口软管吸入空气，在真空管产生吸气，导致柱塞向下挤压弹簧。
2
DIFFUSER, a part of an engine between the compressor and combustion chamber for reducing the airflow speed and increasing the air pressure.
扩散器，发动机内压气机和燃烧室间的一个部件，用来降低空气流速并增高空气压力。
3
DIFFUSER, a part of an engine between the compressor and combustion chamber for reducing the airflow speed and increasing the air pressure.