The following factors were considered in heat loss calculating model, namely various valves, elbows, compensator, tube diameter, various injection conditions and injecting pipe's eccentric structure.
模型考虑了注汽管线上各种阀门、弯头、补偿器、异径管的影响，考虑了变注入工况和注汽管偏心结构对热损失的影响。
The start is performed by direct injection of air into the cylinders through the starting air valves in the cylinder heads.
这个启动，是由直接注射空气进入气缸，通过在气缸正面的启动空气阀完成的。
The start is performed by direct injection of air into the cylinders through the starting air valves in the cylinder heads.
这个启动，是由直接注射空气进入气缸，通过在气缸正面的启动空气阀完成的。
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