The stone must be dry, construction before the stone protective face processing clean.
石材必须干燥，施工前先将石材的防护面处理干净。
The traditional manual sculpture craft, plus complex leather face processing technology.
传统手工雕刻工艺，加上复杂的皮面处理技术。
The traditional manual sculpture craft, plus complex leather face processing technology.
传统手工雕刻工艺，加上复杂的皮面处理技术。
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