M Parts per million 百万分之
m parts 冶金零件
spare parts m 备件管理
self-made spare parts m 自制备件管理制度
titanium m alloy parts 钛合金配件
M: There are such shops living on selling parts.
有这样一些店以卖零部件为生。
It could also be caused by genetic differences between M. tuberculosis populations in different parts of the world, she adds.
她还说,这也可能是由于世界不同地方的结核分枝杆菌种群的遗传差异造成的。
Warm compaction is a new forming technique for fabricating high performance ferrous P/M parts at lower cost.
温压是以较低的成本制造高性能铁基粉末冶金零部件的新型成形技术。
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