1) plumb-bob
线锤
3) weight cord method
重锤线法
1.
Therefor, the weight cord method is presented to facilitate the azimuth calibration of antenna antenna system, and the sectionalized adjustment method advanced to simplify the calibration of antenna reflector antenna system.
为此 ,提出重锤线法 ,使天线 -天线系统角度的校准变得简易。
4) Sprindle Curve
纺锤线
5) layout hammer
划线锤
补充资料：揲揲锤锤
1.象声词。促织的叫声。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条