“semi-circular drain”的概念、定义、翻译、参考文献-科学参考

单词	semi-circular drain
释义	semi-circular drain 半圆形排水管
随便看	band-stop filter band suction band suspension meter band switch band switching band-switching bandtail band theory band theory of solid band-to-band transition band-to-band tunnelling band-type brake band-type cut off saw band type magnetic separator band-type papering machine band tyre band wagon technique band wheel band wheel crank screw band wheel crank screw nut band wheel set screw bandwidth band width bandwidth (BW) band width control

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