两架直升机
Two helicopters
以上为机器翻译结果，长、整句建议使用 人工翻译 。
已有两架直升机被击落。
Two helicopters have already been shot down.
youdao
他们不仅动员当地警力，还派了两架直升机。
They mobilised not only the local forces but two helicopters.
给它伴飞的另外两架直升机也正在加油和装弹。
Fly to it with two other helicopter was refueling and loading.
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