... Unconsolidated-undrained shear test 未压密不排水剪力试验 Undercutting 切挖、底切 Underdrain 暗渠 ...
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刀杆可在铁轨下方进行有效切挖，同时也可移除脏污道砟，并将其存放到挖掘圆盘上。
The cutter bar efficiently cuts its way underneath the track, where it removes fouled ballast and deposits the spoil into the digging wheel.
为什么我得切丁他却可以挖香瓜球呢？
介绍暗挖隧道曲线导向测量方法——弦线支距法和切弦线支距法的原理及应用。
This paper introduces the theory and its application of the curvilinear guided survey methods in concealed excavation of tunnels, such as chord offset method and tangent offset method.
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