求翻译：一般经营项目：生产空气压缩机和透平压缩机及其附属设备；从事上述产品的经营性租赁业务，（其中经营性租赁业务经营期限仅限30年。）是什么意思？

General business: production of air compressors and turbine compressor and its ancillary equipment; products operating in the leasing business, (which term operating lease business is limited to 30 years.)

The general lines of business: Production air compressor and turbine compressor and its ancillary equipment; engaging in the above products in the business, operating lease, operating lease term of business operation is limited 30. )

正在翻译，请等待...

General business: production air compressor and turbine compressor and other ancillary installations; engaged in operating leasing business of the above products, (operating leasing business operation period only 30 of them. ）

General item to manage: Produce air compressor, compressor of the turbine and its accessory equipment; Engaged in to engaged in lease of sex above-mentioned product, (engaged in lease of sex alloted time of management only allow 30 years only among them. )