- Thisispopularlycalledsailingunder“jibandjigger”—thejiggerbeinganoldsquare-riggertermfortheaft-mostmastflyingatriangularsail.AndthetextintroducedtheapplicationprocessandeffectofmovingjiggerinZhangjicoalplant.Thepaperexpoundedthatcottonfabricwasdyed...
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