conditioning system.

PARTICLE, A very small piece of any substance or      微粒，

physical matter.                                        任何物質(zhì)或?qū)嶓w非常細(xì)小的一部份。

PASSENGER ADDRESS SYSTEM, A system which              旅客廣播系統(tǒng)，

provides flight crew and attendant announcements,       能使機(jī)組人員向客艙進(jìn)行廣播、播放音樂和發(fā)出諧音信

boarding music, and chime signals to the passenger    號的系統(tǒng)。

cabin.

PASSENGER ENTERTAINMENT SYSTEM, A system              旅客娛樂系統(tǒng)，

which can provide audio and/or video entertainment to     向旅客提供音頻和／或視頻娛樂服務(wù)的系統(tǒng)。

the passengers.

PAYLOAD, That which is carried to the destination,    業(yè)載，

such as passengers, cargo, or mail.                     由飛機(jī)送往目的地的載重，如乘客、貨物或郵件。

PCA, SEE - POWER CONTROL ACTUATOR                     動力控制作動筒，

                                                          見 Power Control Actuator.

PCU, SEE - POWER CONTROL UNIT                         動力控制組件，

                                                          見 Power Control Unit．

PDCS, SEE - PERFORMANCE DATA COMPUTER                 性能數(shù)據(jù)計(jì)算機(jī)系統(tǒng)，

SYSTEM                                                    見 Performance Data Computer System．

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英漢對照民用航空詞典                                      BOEING