英语翻译drain as described cast in 600mm length bedded and jointed in cement mortar laid to fall with 100mm mass concrete (grade 20-20mm aggregate) as described base including all necessary ends只求翻译者一句,很多专业术语我搞不懂
问题描述：
英语翻译
drain as described cast in 600mm length bedded and jointed in cement mortar laid to fall with 100mm mass concrete (grade 20-20mm aggregate) as described base including all necessary ends
只求翻译者一句,很多专业术语我搞不懂
答
流失是在600毫米长度描述铸层状和贴合在水泥砂浆铺设下降与100毫米大体积混凝土(年级20-20mm骨料)所描述的基础包括所有必要的结束