不是锤的敲打，而是水的载歌载舞，使鹅卵石臻于完美。
Not hammer strokes, but dance of the water sings the pebbles into perfection.
平衡指示锤采用可调式结构，现场调节方便，使设备能适用不同密度不同粘度的各种介质。
With adjustable structure balance weight hammer is convenient for field regulating, so the indicator can be used for the liquids of various gravity and viscosity.
使卵石臻于完美的，并非锤的打击，而是水的且歌且舞。
Not hammer-strokes, but dance of the water sings the pebbles into perfection.
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