Maybe not all, but at least a few techniques can be practiced each day.
也许不能说全部，但是至少有一些技巧适合每天都进行练习。
Although all techniques may be practiced underwater, the water jet cutting is advanced and better.
文章对比分析了当前可以采用的水下切割技术，指出射流切割更具有发展潜力。
Although all techniques may be practiced underwater, the water jet cutting is advanced and better.
文章对比分析了当前可以采用的水下切割技术，指出射流切割更具有发展潜力。
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