service module
柯林斯词典
1. N a section of an Apollo spacecraft housing the rocket engine, radar, fuel cells, etc, and jettisoned on re-entry into the earth's atmosphere (太空船的)機械艙→see also lunar module , command module
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1. N a section of an Apollo spacecraft housing the rocket engine, radar, fuel cells, etc, and jettisoned on re-entry into the earth's atmosphere (太空船的)機械艙→see also lunar module , command module