单选题
1分
In an automatic mooring winches, the wire is paid off the barrel at a ______tension and is recovered...
In an automatic mooring winches, the wire is paid off the barrel at a ______tension and is recovered at tension.
参考答案: D
参考解析: 对于自动绞缆机,缆绳在达到预设最大张力时从卷筒放出,张力较低时被收紧。