She was already a keen and experienced sailor, having crewed in both Merlin and Grayling.在“默林”号和“格雷林”号上工作过以后，她已经是一名头脑敏捷、经验丰富的水手了。Rafts are crewed by ten men who use single bladed paddles.救生艇上有十名船员,全都使用单叶桨.They cannot be ...
在严重的折皱作用下,摩擦阻力在织物抗折皱能力中仅居次要地位.In severe creasing the frictional resistance plays only a minor role in determining the crease resistance.因此,折皱回复性能是考核织物性能的重要指标之一.So the crease recovery is a one of them.如果隔膜折皱, 则按照前面的步骤更换.I...