英语词汇“井筒”的读音、翻译、释义、用法及例句-森罗网

词汇	井筒
释义	井筒 jing tong ㄐㄧㄥˇ ㄊㄨㄥˇ 1.[Mining] pit shaft
随便看	product product and support requirements request product buy-back agreement product certification product code product-communication strategy product concept product development product differentiated marketing productile production production-consumption method production control production control production gain production goods production library production line production line production number production orientation production oriented production payback production platform production processes

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