Gas can not be compressed in the pump, so our pump can get coagulable air.
气体在泵内无压缩，适宜抽取可凝性气体。
Air can not be compressed in the pump, so our pump can get coagulable air.
气体在泵内无压缩，适宜抽取可凝性气体。
Gass can not be compressed in the pump, so our pump can get coagulable air.
气体在泵内无压缩，适宜抽取可凝性气体。
Gass can not be compressed in the pump, so our pump can get coagulable air.
气体在泵内无压缩，适宜抽取可凝性气体。
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