draw box/ pit是什么意思

网络释义

1)draw box/ pit,拉线箱/井2)draw box/pit,拉线箱/井3)stay,拉线;拉线4)Tear tape,拉线5)guy,拉线6)span wire,拉线7)pull iwre,拉线8)pull wire,拉线9)span,拉线10)tie wire,拉线

Research on the constant tension control system of tear tape;

拉线放卷恒张力控制系统的研究

Accurate Manufacture of the Guyed V Type Tower Mounted Guy;

拉线V型塔装配式拉线精确制作