单词	下位锁
释义	下位锁 xiàwèisuǒ〔名〕航空downlock下位
随便看	roller cold pilgering mill roller comnveyor roller compact roller compacted artificial concrete roller compacted asphalt concrete roller compacted concrete roller-compacted concrete roller compacted concrete arch dam roller compacted concrete construction roller compacted concrete dam roller-compacted concrete dam roller compacted concrete gravity dam roller compacted homogeneous earth dam roller compacted rubcrete roller compacted test roller cone roller cone bit roller-cone core bit roller connecting rod roller contact roller contact bearing roller contact timer roller conveyer roller conveyer switch roller conveyer table