单词	class settling
释义	class settling 分级沉降
随便看	screw threading tool screw-threading tool screw thread member screw-thread micrometer screw thread micrometer screw thread micrometer caliper screw thread micrometer callipers screw thread miller screw-thread milling screw thread milling screw thread milling machine screw thread pair screw thread pitch gage screw-thread pitch gage screw thread pitch gauge screw-thread pitch gauge screw thread profile screw thread rolling machine screw-thread rolling machine screw threads screwthreads screw-thread smoke tube screw thread steel screw-thread steel screw thread system 髟髡髣髦髧髫髬髭髮髯设言托意设计设身处地设辞设酒设问设阱设防设限设障