The shape of the whole boring cutter is of a sphere without a spherical cap.
整个开孔刀的外形呈削去球冠的球形。
I think of high school life would be very boring cutter. but I had this year.
我以为职高的生活会很俗套很无聊。但我过了这一年之后。 我发觉。
Cutter is the key factor that affects TBM′s boring speed.
TBM刀具是关系TBM掘进速率的基本要素。
Cutter is the key factor that affects TBM′s boring speed.
TBM刀具是关系TBM掘进速率的基本要素。
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