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。

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Electrotype: a duplicate relief printing plate made electrolytically by depositing copper on a wax mould taken from an original plate or type and backing it with a lead alloy.

电铸版：是一种复制凸版式。先用蜡在原身版式或字版上套出铸模，把铜用电解法沉积于蜡铸上，然后用铅合金衬背而成。

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