?公吨(公斤) metric ton
?海生物防附装置 MGPS (= marine growth preventing system)
?云母 mica
?人造云母 micanite
?米契尔止推轴承 Michell thrust bearing
?微观组织试验 micrograph test
?分厘卡,测微计 micrometer
?分厘卡尺 micrometer caliper
?微公尺 micron
?显微试验 microscopic examination
?微观试验 microscopic test
?显微组织 micro-structure
?海生物防附装置 MGPS (= marine growth preventing system)
?云母 mica
?人造云母 micanite
?米契尔止推轴承 Michell thrust bearing
?微观组织试验 micrograph test
?分厘卡,测微计 micrometer
?分厘卡尺 micrometer caliper
?微公尺 micron
?显微试验 microscopic examination
?微观试验 microscopic test
?显微组织 micro-structure
?微振图示计 micro-vibrograph
?微波 microwave
?舯体 middle body
?中间蒸馏油,白油 middle distillates
?中心线内底板 middle line strake
?中桅 middle mast
?舯 midship
?舯机舱船 midship engine ship (or engine midship)
?舯[部]肋骨 midship frame
?舯部甲板室 midship house
?见习生,见习官 midship man
?舯剖面积 midship section area
?舯剖面系数 midship section coef- ficient
?舯剖面系数 midship section coefficient
?舯剖面图 midship section plan
?舯舱 midship tank
?金属惰气电弧焊 MIG (= metal electrode inert gas-shielded arc) welding
?密尔(千分之一吋) mil
?美国军方规范及标准 MIL (= Military Specifications and Standards, U.S.A.)
?软钢 mild steel
?软钢 mild steel (MS)
?标柱 mile post
?制造厂 mill
?辊轧号数 mill number
?轧钢鳞片 mill oxide (or scale)
?轧钢鳞片 mill scale
?钢料出厂证书 mill sheet
?铣刀 milling cutter
?铣床 milling machine
?每秒百万指令 million instructions per second (MIPS)