词汇	海事保险
释义	海事保险 Hǎi Shì Bǎo Xiǎnmaritime insurance
随便看	screw-thread gauge screw thread ga u ge screw thread grinding Screw thread heating screw threading tool screw-threading tool screw thread measurement screw thread member screw thread micrometer screw-thread micrometer screw thread micrometer caliper screw thread micrometer calliper screw thread micrometer callipers screw thread miller screw-thread miller screw thread milling screw-thread milling screw thread milling machine screw-thread milling machine screw thread mouth piece screw thread mouth piece manufacture screw thread pair screw thread parameter screw thread pitch gage screw-thread pitch gage