直角

• Flared type tube fittings - male elbow - assembly
  扩口式锥螺纹直角管接头
• The parts and units of jigs and fixtures . square tool aligner
  机床夹具零件及部件.直角对刀块
• Ofdm orthogonal frequency division multiplexing
  直角频率部分多路复用
• Flared type tube fittings - swivel elbow - assembly
  扩口式组合直角管接头
• Ofdm orthogonal frequency division multiplexing
  直角频率部分多路复用
• A four - sided plane figure with four right angles
  矩形，长方形具有四个边的方形，有四个直角
• J kind of flanged cast steel angle air valves
  J类法兰铸钢直角空气阀
• Right angle binder for covering stitch machine
  绷缝车直角松紧包边器
• An angle in a semicircle is a right angle
  半圆所对的圆周角是直角。
• The sagging windows are out of square in the old house
  这幢老房子的窗户都倾斜了，不成直角。