bottom hole flushing 井底净化
multi-hole flushing 多孔内冲液
hydraulic flushing in hole 水力冲孔
vice flushing hole 副吸渣口
The toilet bowl with sprayer consists of pedestal, cistern, toilet bowl, flushing pipe, flushing hole, etc.
本发明涉及一种具有喷雾装置的坐便器，由底座、水箱、便池、冲水管、冲水孔等构成。
The separated layer polymer injection pipe string consists of well-flushing packer, down-hole flow distributor and bottom ball.
分层注聚管柱主要由可洗井封隔器、配注器及底球组成。
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