用防风雨的帆布背包装照相机和镜头。Use a weatherproof rucksack to carry your camera and lenses around in.她小心翼翼地在红帆布垫上坐下，膝盖矜持地并拢着。She sat down cautiously on the red canvas cushions, knees modestly together.主帆是用真正的厚篷帆布手工裁剪和缝纫而成的。The mainsai...
精确地预计弯头和管件的影响尚无方法可循.No methods are available for the accurate prediction of the effect of bends and fittings.我们常用弯头(管、兰、通、小关)为一种管件.We usually use elbow flangetee, reducer as a kind of pipe fitting.在人井2中,将弯头卸下,便于设备进入.Debu...
I didn't so much as catch sight of him all day long.我一整天都没见他人影。All day long I moved in a dream.整整一天我都心不在焉。You natter all day long at the hospital.你在医院白话了一整天。...