n.锚定桩(抓地板；履带齿片)
Do you want to have Tian'anmen in the back grou nd. 要用天安门作背景吗。
Love makes man grou up or sink down. 爱情，要么让人成熟，要么让人堕落。
Do you want to have Tian'anmen in the back grou -nd? 要用天安门作背景吗
But armed grou are still believed to be holding doze of foreigners captive in Iraq as bargaining chi . 但一般相信武装分子仍在伊拉克挟持着数十名外国人质，作为谈判筹码。
But armed grou are still believed to be holding doze of foreigners captive in Iraq as bargaining chi. 但一般相信武装分子仍在伊拉克挟持着数十名外国人质，作为谈判筹码。
Experimental results show that the pull of a singe track shoe is approximately between the two theoretical values including and excluding grouser effect. 实验结果表明履带板的推力介于考虑和不考虑履剌效应的两个理论值之间。
