旋线 meaning in Chinese

conic helix

Aerospace series - inserts , screw thread , helical coil , self - locking - technical specification ; german version en 2943 : 1998
航空航天系列.自锁绕旋线螺纹镶嵌件.技术规范
Both the complicatedness varieties trees , the thick liquid material that the material differs greatly and the remaining leftover bits after wood processing , wood shaving , sawdust , sub thick liquid , cotton stalk , hemp stalk , bush , crudefiber crop , rice wheatgrass , reed , crudefiber crop , many kinds of goods thick liquid board , wasted paper , bagasse , agrimony etc . canbe fasten separated into the good fibre with higher velocity and proper to rub a block of interval
高浓磨对浆料的适用范围较广，无论是树种复杂，材料差异较大的浆料，还是木材加工后剩余的边角料，以及蚀花、锯屑、节子浆、棉秆、麻秆、灌木、枝桠材、稻麦草、芳菲、麻类多种商品浆板、废纸、甘蔗渣、龙须草等，都能够以其料高的旋线速成度及适当磨片间隙分离成优质纤维。