紧线器2t 1.

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紧线器2t 1.
紧线器2t 1.

紧线器2t 1.
紧线器,又叫棘轮收紧器,是在架空线路敷设施工中作为拉紧导线用的.使用时先把紧线器上的钢丝绳或镀锌铁线松开,并固定在横担上,用夹线钳夹住导线,然后扳动专用板手.由于棘爪的防逆转作用,逐渐把钢丝绳或镀锌铁线绕在棘轮滚筒上,使导线收紧.把收紧的导线固定在绝缘子上.然后先松开棘爪,使钢丝绳或镀锌铁线松开,再松开夹线钳,最后把钢丝绳或镀锌铁线绕在棘轮的滚筒上.
2t是承载上限是2吨, 1.5m高度为1.5米

紧线器2t 1. please don't tell anybody what I said don't worry .Iplease don't tell anybody what I said don't worry .I______.1.WON'T 2DON'T 3CAN'T 8WOULDN'T 1.4T 1.6T 1.这个T? 3t+t-2t=? t*exp(2t)对t求导 t/(t^2-t+1)的积分 T^T英语第2T (t+3t^2-3)-(-t+4t^2) 化简（t+3t^2-3)-(-t+4t^2) 化简计算 (t+2)(t²-t+1)+t-2 (2t+3)(2t-)-(4t+1)(t-9) t^2-t+2求导因式分解：t^2-t-2 叶形线：x=2*t-t*t,y=2*t*t-t*t*t 图形怎么划? 微分方程矩阵 x'(t)=x(t)+y(t)+2t y'(t)=x(t)+y(t)-2t 参考身高: 2T 3T 4T 5T 6T 8T是什么意思 (t^5+t^4+t^3+t^2+t+1)(t-1) 用直式计算化简t+1/t-(t+2)²-1/t²×t+1/t+3