evacuator meaning in Chinese

撤退的人
抽空器
抽空装置
排泄器，排出器

Improvement on ablation and erode of mechanized gun evacuator
自行火炮抽气装置防烧蚀腐蚀的改进试验
Qg - ha type fully automatic aerosol filling machine consjsts of a rotary can stacking machine , a fully automatic blower , a fully automatic evacuator , a sealing machine , a gas filling machine and a conveyor belt
Ha型全自动气雾剂灌装机，是由旋转式码灌机、全自动吹风、灌料机、全自动抽空机、封口机、充气机和一条输送带组成。