?马赫角    Mach angle

?马赫数    Mach number

?机械,机器    machine

?机械铸造    machine casting

?机械设计    machine design

?机械画    machine drawing

?机钻    machine drilling

?机械组件    machine elements

?机械加工,机械充制    machine finish

?机制裕度    machine finish allowance

?机油    machine oil

?机械氧割    machine oxygen cutting

?机械配件    machine parts

?机力铆接    machine riveting

?机械工场    machine shop

?机具    machine tool

?机械老虎钳    machine vice

?机械工厂    machine works

?机械,机器    machinery

?机舱布置    machinery arrangement

?机罩    machinery casing

?机械底座垫    machinery chock

?轮机装    machinery fitting

?轮机室,机舱    machinery room (or space)

?甲种机舱空间    machinery space of category A

?轮机规范    machinery specification

?机器重量    machinery weight

?机械重量,轮机重量    machinery weight

?机匠锤    machinist hammer

?麦氏[二]重底    MacIntyre double bottom

?麦氏压载舱    MacIntyre tank

?鲭钓渔船    mackerel pole and line fishing boat

?肉眼检查,巨观检查    macroscopic test

?组成滑车    made (or built) block

?组合桅    made (or built) mast

?组成滑车    made block

?弹药舱    magazine

?磁通检验    magnaflux inspection

?磁检铁粉    magnaflux powder

?磁通试验    magnaflux test

?电磁起重机,磁力起重机    magnet crane

?磁吹    magnetic blow