| 摘要 |
At the outlet of the channels is arranged a tapped hole (12-15) with large dia. for connection of pipes, and in the bottom of the hole is bore a channel with smaller dia. One of the channels in one pair communicates with a channel in a second pair. The second channel in the first pair communicates with a second channel in the second pair, whereby the communicating channels are located in two reciprocally separate planes. |
