单词	ballast sinking
释义	ballast sinking 道碴沉陷
随便看	belt desmosome belt differential factor belt disalignment transducer belt down belt down the road belt dressing belt drier belt drive belt-drive belt-drived centrifuge belt-drive double housing planer belt drive double housing planer belt drive implement belt-driven belt driven blower belt driven centrifugal belt-driven cross-cut saw belt driven lathe belt driven pump belt driven riveting machine belt-drivens belt driven tachometer belt driven type belt drive rig belt-drives S秋夜泛舟 S秋思 S秋思 S秋日登吴公台上寺远眺 S秋日访同人 S秋日赴阙题潼关驿楼 S秋日还京陕西十里作 S秋晚登古城 S秋波媚 S秋浦歌 50608 50609 50610 50611 50612 50613 50614 50615 50616 50617