求翻译：在实际的技术贸易中，往往把无形的技术知识同有关的机器、设备结合起来，如果交易只限于机器、设备而无技术知识的转让，就不能看作技术贸易。是什么意思？

The actual trade, often invisible technical knowledge with relevant machinery, equipment combined, if the transaction is limited to the transfer of machinery, equipment without technical knowledge, can not be regarded as a technical trade.

On the actual technology trade, often invisible in the technical knowledge of the machinery, equipment, and if the transaction was limited to machines, equipment and the transfer of technical know-how, it cannot be seen as technology trade.

In the actual technical trade, often the invisible technical knowledge with the related machine, the equipment unifies, but if the transaction only is restricted in the machine, the equipment the non-technical knowledge transfer, cannot regard as the technical trade.

In practical technical trade, often invisible combines technical knowledge with the machinery, equipment, if the transaction is limited to machines, equipment and no transfer of technical knowledge, it cannot be seen as technical trade.

正在翻译，请等待...