shaft draining 矿井疏干
On Sunday, underground workers draining water from the flooded section saw swaying lamplight at the other end of the flooded v-shaped shaft, raising hope again.
周日，负责在地下从透水段抽水的工人见到V型巷道的另一端有微弱的灯光透出，这再次燃起人们的希望。
The foundations of shaft bearings of the main engine and aux engines shall be sufficient strength in consider easy for draining, cleaning and maintenance.
主辅机的轴承底座应该具有足够的强度，同时需考虑便于排水、清扫及维护。
This series of pump is out of type DC shape, the wetted parts are made of stainless stainless steel, It is suitable for draining corrosive wate in mining, The shaft sealing is machanical seal.
本系列产品过流零件用不锈钢制造，适用于输送矿山排放的腐蚀性矿水。
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