单词	sough set
释义	sough set 粗糙集
随便看	under water concreting underwater conctrete underwater connector underwater construction underwater construction machinery Underwater Construction Team underwater contact explosion underwater contact explosions underwater container underwater continental shelf underwater continuous wall underwater control underwater controlling demolition underwater conveyor underwater coring underwater corrosion protection underwater countermeasure underwater counterwork underwater cracks underwater craft underwater cran underwater crane Underwater Crash Location System underwater creatures underwater crossing