2)Aircraft can avoid each other by going up and down, as well as by changingcourseto left or right. 3) The railway isin course ofconstruction. 1)the firstcoursein English 2)Normally, there is an examination at the end of thecourse. 1)2)飞机、轮船或水的)航道,航线 3)在…(过程中),...
- 《Scale Aircraft Modelling》 被引量: 0发表: 2017年 4: A Loss That Felt Like A Victory The article discusses the positive things observed by the International Team captain Nick Price after the battle with the U.S. It mentions the statement of U.S. assistant captain Jim Fury regarding th...
The fact that aircraft may be vulnerable (易受损的) to interference raises the risk that terrorists may use radio system in order to damage navigation equipment. As worrying, though, is the passenger who can’t hear the instructions to turn off his radio because the music’s too loud. 查看...
（1）活塞密封圈磨损，（2）油路泄漏，（3）液控单向阀堵塞或磨损，（4）电磁球阀堵塞或磨损