main-wheel 主轮
main wheel well aft wall 主轮舱后壁
main wheel leg 主轮支柱
main wheel door actuating cylinder 主轮舱盖作动筒
main-wheel strut 主起落架支柱 ; 主轮支柱
inward retraction main wheel 向内收起的主机轮
main-wheel track 主轮距
main wheel strut 主轮支柱
main-wheel door 主轮舱门
Replaced L main wheel in postflight, check OK.
航后更换左主轮,检查正常。
Postflight check found L outboard main wheel exposed threads due punctured.
航后发现左外主轮扎伤见线。
The three main reasons are lack of competitive pressure, a tendency to reinvent the wheel and a focus on technology rather than organisation.
这有三个主要的原因:缺少竞争压力、重复建设及注重科技而非管理。
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