back block meaning in English
边远地区
Examples
- Hiht manganese steel casting is a traditional product line in our factory , the main products are jaw plate , back block , plate hammer , dipper teeth , hammer , crushing wall screen mesh , elbows in concrete pumping track , etc
高锰钢铸件是我厂的传统产品，产品主要有颚板、衬板、板锤、斗齿、锤头、破碎壁、筛网板、混泥土泵车中的弯管等。