求翻译：山东检验检疫部门已与环保、海关等联手，加强装运前预检验和口岸查验等关键环节，严防固体废物入境，严厉打击非法进口等违法违规行为。是什么意思？

Inspection and quarantine departments in Shandong and environmental protection, customs and other joint and strengthen pre-shipment inspection and port inspection and other key areas to prevent entry of solid wastes, to crack down on illegal imports and other illegal activities.

Shandong Inspection and quarantine departments have been with the environmental protection, customs, and so to join hands to strengthen pre-testing and boundary inspection prior to shipment, such as solid waste, to guard against key entry to crack down on illegal activities such as illegal imports.

The Shandong examination quarantine department already with collaborations and so on environmental protection, customs, before enhancement shipping the pre-examination and the port inspection and so on the key link, takes strict precautions against the solid waste to enter a country, severe attack i

Shandong entry-exit inspection and quarantine departments have jointly and environmental protection, customs, strengthening the pre-inspection and port inspection, key links, to prevent entry of solid waste, sternly crack down on illegal imports of illegal acts.

Shandong entry-exit inspection and quarantine departments have jointly and environmental protection, customs, strengthening the pre-inspection and port inspection, key links, to prevent entry of solid waste, sternly crack down on illegal imports of illegal acts.