helical conveyer

进出口专业英语词... ... helical compression spring 螺旋压力弹簧 helical conveyer 螺旋运输机 helical core fiber 螺旋芯纤维 ...

在线词典--水电知识网-... ... scraper chain conveyer 链式输送机 helical conveyer 螺旋输送机 jigging conveyer 振动输送机 ...

... helical-coil type heat exchanger 螺旋管型热交换器 helical conveyer 螺旋式输送机 helical delay cable 螺旋延迟电缆 ...