初始状态主气室和附加气室内气体容积之和的翻译：Initial state of the main Chamber and additional gas indoor gas volume and 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The initial state of the main air chamber and the additional volume of gas and indoor air

Initial state of the main Chamber and additional gas indoor gas volume and

The original state host air chamber and attaches in the air chamber the gas to accommodate the sum product

Initial State main gas room and additional gas indoor gas volume of

Initial state of the main Chamber and additional gas indoor gas volume and