A semi -durable paint &coatings system, its technical specification and application process are introduced.
介绍了半永久性涂料涂装体系及其产品技术指标和施工工艺。
The durable semi-enclosed tail rotor gearbox protects the tail rotor gears while at the same time allowing easy inspection.
耐用半封闭式尾桨变速箱保护尾桨齿轮同时也可以很容易地查阅。
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