lightening file
顶角为108°的三角锉
He rounded off the sharp corners with a file.
他用锉把锐角磨圆。
"For they had instruments for putting an edge on their ploughs and blades and forks and axes, and for putting iron points on their ox-driving rods."
但有锉可以锉铲，犁，三齿叉，斧子，并赶牛锥。
Teaching Methods Investigation of Hexagon in Bench Work Practice
钳工实习课中锉削外六角体教学方法探索
Affect of extensive reaming for acetabular preparation in THR on bone loss of acetabulum rim and its anteversion change
全髋置换术中髋臼过度扩锉对髋臼缘骨量和前倾角的影响
They are filing the teeth of a saw.
他们正在用锉子锉锯齿。
The act or an instance of using a file.
锉用锉刀锉的行为或事例
eellike cyclostome having a tongue with horny teeth in a round mouth surrounded by eight tentacles; feeds on dead or trapped fishes by boring into their bodies.
似鳗的圆口纲脊椎动物，舌头上有锉牙，圆形嘴外有八只触角；吃死鱼或通过刺入鱼的身体捕捉鱼。
To smooth, reduce, or remove with or as if with a file.
锉平，锉除用或似乎用锉磨平、缩少或除去
To file or scrape with a coarse file having sharp projections.
粗锉用粗糙的锉子擦，锉或刮，发出刺耳的声音
Ascending Triangle
上升三角形、平顶三角形
triangular diagram
三角形图解,三角图
triangular pediment
成等边三角形的三角墙
undersea delta
潜三角洲, 水下三角洲
the trigonometry of spherical triangles.
球面三角形的三角学。
an equilateral triangle
等边三角形,正三角形
Many deltas are triangular in shape.
很多三角洲是三角形的。
a triangle whose interior angles are all acute.
内角均为锐角的三角形。