| 摘要 |
PCT No. PCT/AU91/00336 Sec. 371 Date Apr. 2, 1993 Sec. 102(e) Date Apr. 2, 1993 PCT Filed Aug. 1, 1991 PCT Pub. No. WO92/02691 PCT Pub. Date Feb. 20, 1992.A harvesting apparatus includes an inlet capable of engaging a body of water, a first separating stage and a control device. The control device is operable to control the flow rate of water over the inlet to the first separating stage. The control device operates by adjusting either the first separating stage or the inlet to control the flow of water to the first separating stage. |
