These sandstones are interpreted as having originally been point bar deposits.
这些砂岩在成因上被解释为点沙坝沉积。
The high energy watercourse channel bars are the most favorable reservoir, secondly are point bar deposits.
高能水道心滩为研究区最有利的储集砂体，其次为边滩沉积。
Seismic exploration for meander channel point bar deposits and 3 D seismic exploration for river sandstone bodies are mainly presented.
重点介绍了曲流河内侧沙洲地震勘探，以及三维地震勘探技术在寻找河道砂岩体方面的应用。
The cutter bar efficiently cuts its way underneath the track, where it removes fouled ballast and deposits the spoil into the digging wheel.
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.
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。
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