wood preserving oil [木] 木材防腐油
Wood-preserving process 木材防腐处理
wood-preserving waste 木材防腐废液
wood preserving plant 木材防腐厂
wood preserving chemical 木材防腐化学制品
wood-preserving plant labourer 木材防腐厂工人
wood- preserving enterprise 木材防腐企业
Wood: hardwood, softwood, saw timber, preserving timber, etc.
木材区:硬木、软木、锯木、防腐木等。
Iceboxes made of wood were widely used in the Qing royal court. Due to the weak conductivity of heat, lead or tin was put inside the box to extend the hours for preserving the natural ice.
清代宫廷已经普遍使用木制“冰箱”,其采用导热性较弱的铅或锡为里,以延长天然冰的使用时间。
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