When dig high cutting, except the control of side slope Angle and shoulder (road) 's elevation, width. We also should control roadbed's filling and press degree.
路堑开挖除对边坡坡率以及路肩标高、宽度进行控制外，还要对基床填料及压实度进行严格控制。
2
With the addition of the chair model, the JACE Shoulder chair CMP achieves internal and external rotation as well as elevation (forward flexion).