| 单词 | hard soldering |
| 释义 | > as lemmashard soldering hard soldering n. the use of hard solder; brazing. ΚΠ 1810 Tradesman Mar. 194 It [sc. borax] is used in hard soldering, laying hold of the surface of the metals. 1902 Young Engineer 1 104 The art of soldering may be divided into two distinct classes—soft soldering,..and hard soldering, in which the solders are composed of gold, silver, copper, zinc, or brass. 2003 D. Carlson Revise OCR GCSE Resistant Materials 50 Silver or hard soldering is used in beaten or decorative metalwork. < as lemmas |
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