tin bronze alloys造句
造句与例句手机版
- Further, the appearance of a copper-tin bronze alloy suggests contact between West Mexico and Peru during this period.
- In 1974, compositional analysis, it is believed the device was made of a low-tin bronze alloy ( of approximately 95 % copper, 5 % tin ).
- It's difficult to see tin bronze alloys in a sentence. 用tin bronze alloys造句挺难的
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