拉西瓦混凝土双曲拱坝的横缝采用JBJ-60型单向注浆器在原有塑料拔管系统的基础上进行重复灌浆。
The transverse joints of Laxiwa arch dam use JBJ-60 one-way grouting device to conduct the repeated grouting in the original plastic pipe.
为了满足海上调平和灌浆的要求，东海平湖油气田平台导管架采用了液压卡桩器和封隔器组合件。
The packer assembly and skirt pile grippers were selected for the Pinghu jacket due to offshore leveling and grouting requirements.
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