单词：Boeing helicopter
Boeing helicopter的用法和样例：
例句
- Boeing has already built a scale version and dropped it from a helicopter to demonstrate its landing capability.波音公司已经制造了一个模型，让它从直升机上落下，验证它的着陆能力。
- Boeing's offer is the latest development in the IAF's protracted helicopter procurement programmes.波音的投标使印度拖延的的直升机采购项目出现的新的进展。
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