She saw machines, tubes, cylinders and other containers for chemical experiments.
她看到了机器，显像管，量筒，和其他化学实验容器。
The utility model relates to a pressurizing cylinder used for processing machines, particularly an air entering and expelling and blowing device for air cylinders connected in series.
本实用新型涉及一种加工机械用增压缸，特别是关于串联气缸的进排气及吹气装置。
The utility model relates to a pressurizing cylinder used for processing machines, particularly an air entering and expelling and blowing device for air cylinders connected in series.
本实用新型涉及一种加工机械用增压缸，特别是关于串联气缸的进排气及吹气装置。
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