NOTE: The undersized locator holes are pre - drilled for easy location and assembly.注意: 矮小定位孔预钻孔的位置和便于大会.Leaves after feeding silkworm cocoon silk knot, and then drilled for the moth eclosion cocoon shell.桑蚕取食桑叶后吐丝结茧, 然后...
They drilled through several layers of rock to reach the oil.他们钻透了几层岩石寻找石油。We had multiplication tables drilled into us at school.以前我们上学得反复背诵乘法表.The recruits drilled regularly.新兵们定时操练....