离开了主河道，他们进入了一个乍一看像是一个内陆湖的地方。
Leaving the main stream, they now passed into what seemed at first sight like a little land-locked lake.
地表河与地下河相连接构成长江主河道。
The main watercourse of Yangtze was made of some surface river sectors and underground rivers.
最后他们划离主河道转入一条与大河交汇的小支流。
At last they turned off the big river into a little side river that came down to join it.
同时对松花江达连河断面主河道上冰层中硝基苯含量进行了分层检测。
For understanding nitrobenzene distribution in water under natural ice in Songhua river, nitrobenzene contents of different ice layers of main riverway were examined at Dalianghe in Songhua river.
鄂尔多斯盆地；苏里格气田；苏48区块；储层特征；主河道；储层分类评价。
Ordos Basin; Sulige gas field; The well-su 48 area; reservoir characteristics; main channel; classification and evaluation of reservoir.
又来到主河道了。他们掉转船头，逆流而上，朝水獭朋友正孤独守候的地点划去。
The main river reached again, they turned the boat's head upstream, towards the point where they knew their friend was keeping his lonely vigil.
结果表明，渗透率是控制边水侵入的主要因素，边水侵入后沿主河道推进速度最快。
The results indicate that the permeability of reservoir is the main factor for controlling edge water incursion. The moving rate of water front along the main riverbed is the fastest.
在这张图片的顶部，河中的一个弯曲几乎已经从主河道中分离出去，成为一个牛轭湖了。
Near the top of this image, a bend in the river has almost separated from the main channel to become an oxbow lake.
勘探的主要目标是要预测渗透性储层，寻找主河道和识别有利于成藏的主体河道砂体。
The main exploration target is predicting permeable reservoirs, looking for and identifying channel sand bodies that is favorable to forming oil-gas pool.
砂体厚度纵横变化大，纵向上盒1较盒2和盒3连通性好，平面上砂体在主河道方向连通性好。
Sand body thickness vary greatly, on longitudinal H1 is more connectible than H2 and H3. On landscape the sand connecting is good in the main direction of river orientation.
砂体厚度纵横变化大，纵向上盒1较盒2和盒3连通性好，平面上砂体在主河道方向连通性好。
Sand body thickness vary greatly, on longitudinal H1 is more connectible than H2 and H3. On landscape the sand connecting is good in the main direction of river orientation.
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