电动离台压机构最大特点是结构简单, 故障率比较低.Electromotion leaving tremendous pressure mechanism is simple in structure, the failure rate is relatively low.而气动离台压机构的缺点是气缸用力比较大, 容易漏气.The aerodynamic body from the station is a large cylinder ...
They had little difficulty in finding it. but hauling it out of the water proved to be a serious problem.馅饼盘不难找到, 但是把它拖出水面却是个严重的问题.They went down to the shore to watch the fishermen hauling in their nets.他们跑到岸边看渔民拖网.For ...