tungsten bronze type structure 钨青铜型结构
bronze-type 青铜型
tungsten bronze-type 钨青铜型结构
tungsten bronze type 钨青铜型
tungsten bronze-type crystals 钨青铜型晶体
tungsten bronze type crystals 钨青铜型晶体
Tunsten Bronze Type Structure 钨青铜矿型结构
bronze roller type impeller pump 青铜辊筒式推进泵
Though the missionaries introduced lead type printing and bronze block printing in latin, the introduction did not make substantive impact on Chinese printing industry.
传教士曾引进过拉丁文铅活字印刷和铜雕版印刷,但对中国印刷业没有产生实质性影响。
A. Lock Cylinders: Tumbler type, constructed from brass or bronze, stainless steel, or nickel silver.
管形锁:制栓,建筑材料有黄铜或青铜,不锈钢,镍银。
The experimental study of a new type of aluminium bronze alloy for die was carried out.
进行了新型模具铝青铜合金材料的试制研究。
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