The second inlet port requires connection to a second Regulated Air Source meeting Grade D Specifications.
零一个进气孔与次级控制的空气源相连接，满足D级要求。
The air inlet device comprises an air inlet pipe, a plurality of air inlets arranged on side face of the air inlet pipe, an air inlet pipe connection device.
室体驱动装置由行驶装 置及电机组成，进气装置包括进气管、设置在进气管侧面的若干进气口、及进 风管连接装置；
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