一个非常轻的构成尾部让不需要把任何的压舱石加入鼻轨就平衡模型。
A very light composing empennage allows to balance the model without adding any ballast to the nose.
想要让自己的技术达到匠石斫鼻的地步，是需要一番努力的。
One must make great effort before upgrading his skills to an outstanding level.
想要让自己的技术达到匠石斫鼻的地步，是需要一番努力的。
One must make great effort before upgrading his skills to an outstanding level.
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