单词	smooth pipe flow
释义	smooth pipe flow 光滑管流
随便看	graded exercise loading test graded exercise test graded fairway graded fare graded fiber graded filter graded free category graded fruits graded glass seal graded gravel graded group graded hardening graded heterojunction graded homomorphism graded hourly rate graded hourly rates graded hydrolysis graded ideal graded illumination graded-index graded index graded-index device (grin) graded index fiber graded-index fiber graded index fiber caustic surface 朝锺暮鼓朝闻夕改朝闻夕死朝闻道，夕死可矣朝阳丹凤朝阳鸣凤朝露溘至朝饔夕飧朝齑暮盐朞ツミダスツミツクリツミトガツミトルツミニツミノコシツミビトツミブカイツミホロボシツミレ