复数： slipways

The design of realizing servo slipway control by plc and driver .

用plc和驱动器实现伺服滑台控制的设计。

Drewry shipping consultants estimates that nearly half the ships due to be delivered last year are still sitting on the slipway or the drawing board .

德鲁里航运咨询公司（drewryshippingconsultants）估计接近一半原定于去年交付的船现在仍在船台上或在制图板上。

Slipway adopts high frequency to quench . The performance is better with lube .

滑台采用高频淬火，配以润滑，性能更佳。