这种类型的叶片安装在一个重量轻的木制大镰刀刀柄上。
This type of blade is fitted to a light weight wooden snath.
最后，悬挂在飞碟下面的液压中转控制盒使得飞行器的重心自然下移，因此不必安装其他的稳定器，从而减轻了重量。
Finally, dangling the control pod well below the aerostat shifts the craft's centre of gravity downward. This means it does not need additional stabilisers, which add weight.
它应该结实，安装得牢固，并与发动机重量相称。
It needs to be sturdy and mounted securely, and it should be rated for the outboard motor's weight.
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