?跨式铣刀

... straddle crane ==> 跨装起重机 straddle cutter ==> 跨式铣刀,双面铣刀 straddle mill ==> 跨式铣刀,双面铣刀 ...

?双面铣刀

双面铣刀 double face mill; doublefacemill; straddle cutter; straddle mill 套式面铣刀 facing type cutter; facing-type cutter; shell face milling cutter ..