破损的明管和玻璃渣大约每年是30吨。的翻译：Damaged pipes and glass residue of the Ming dynasty around 30 tonnes a year. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Broken pipes and broken glass that is about 30 tons per year.

Damaged pipes and glass residue of the Ming dynasty around 30 tonnes a year.

The breakage exposed pipe and the acid slag probably every year are 30 tons.

Broken pipe and glass Slag is approximately 30 tons per year.

Damaged pipes and glass residue of the Ming dynasty around 30 tonnes a year.