In construction of deep geothermal water well under 1000m, accidents of filtering or sealing material plugging and casing or strainer breaking will happened rather often.
千米以上的深水地热井施工常会出现滤水材料或上水材料蓬堵及套管滤水管折断等事故。
Dayao bay port under construction; it will be one of China 's four international deep - water entrepots.
大窑湾港，系我国正在建设中的四大国际深水中转港之一。
Dayao bay port under construction; it will be one of China 's four international deep - water entrepots.
大窑湾港，系我国正在建设中的四大国际深水中转港之一。
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