“PTCR”是“Pad Terminal Connection Room”的缩写，意思

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“PTCS”是“Passive Thermal Control Section”的缩写，意

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“PTCS”是“Passive Thermal Control System”的缩写，意

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“PTCS”是“Payload Test and Checkout System”的缩写，

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“PTCS”是“Planning, Training, and Checkout System”

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“PTCS”是“Propellant Tanking Computer System”的缩写

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“PTDDSS”是“PTD Data Selection Sheet”的缩写，意思是“

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“PTF”是“Payload Training Facility”的缩写，意思是“有

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“PTFE”是“Polytetrafluorethylene”的缩写，意思是“聚四

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“PTI”是“Preliminary Test Information”的缩写，意思是

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