作为主要成员参加《便捷航空运输工程研究》等二十多项科研项目。
As a principal member to participate in "research on convenient air transportation engineering" and two dozen research projects.
相关排水设备被空运到了海拔高达五千米的地点，以保证工程的正常运作。
The equipment was airlifted up to 5,000 metres for the work.
相关排水设备被空运到了海拔高达五千米的地点，以保证工程的正常运作。
The equipment was airlifted up to 5,000 metres for the work.
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