Terms containing threefold

Subject	English	Chinese
desert.	American threefold	美洲三倍菊
desert.	American threefold	扁果菊
oil	threefold axis	三次轴
gen.	threefold axis	三重轴
chem.	threefold barrier	三倍垒
phys.	threefold branch point	三重分支点
earth.sc.	threefold coincidence	三重符合
seal.	threefold diagonal braid	三股对角编织
oil	threefold division	三重划分
oil	threefold division	三重分度
logist.	threefold purchase	三重滑车
textile	threefold seam	三折缝
oil	threefold symmetry	三次对称