23.2.20+ }) B: R5 @% O5 l Instead of wondering when your next vacation is, maybe you should set up a life you don't need to escape from.# a; R& f0 s, F& P# W4 f7 @ 与其期盼下一次假期,不如创造一种不需要逃离的生活。 0 f( Z$ c( s! z, ?9 O+ K' z1 v6 M7 [每日一点专业英语:6 ?% T7 r, n7 Z3 c1 H+ i Lubricationg 润滑 2 a1 a' L: d4 D( |Lubricant 润滑油( Z; W; v# Y$ T q, X Thick film 厚膜0 m. V" R& i0 t: r Thin film 薄膜 : C+ V* x5 e/ K* ^) N: gMixed 混合润滑 7 C, t' _, _* p' KBoundary 边界润滑 ; V2 h$ ^1 V! T% @1 f+ C* I. E( f ; T8 Y8 Z$ _( f0 I 8 L/ M9 W' S- A8 M) L23.2.214 E0 K, H6 O! @7 K4 R Nothing great in the world has been accomplished without passion.# i8 P' g" p Z S/ e! ^ 世上没有任何伟业的成就能够离得开激情。4 V* D0 z4 h5 Z: c1 l, f' I 每日一点专业英语:4 X$ K( K7 f" S6 v Single purpose machine tool 单一功能机床9 N8 K( A, M% J# t Special purpose machine tool 专用机床 " _: o% N5 ^+ l0 Z0 Y9 hProduction machine tool 高效机床. A$ a( T+ E3 V7 O3 P/ d General purpose machine tool 通用机床 % e/ X, b0 I j" m2 e; h6 C0 k: O. E; d' [
X7 [ Z2 j/ a- r 0 M- O i$ R- a. N23.2.22 9 k; c. R5 b. G( n6 QNever give up. Expect only the best from life and take action to get it.9 }7 R: t/ r7 W0 b 永远不要言弃。要永远只期待最好的事物,并为之付出行动。; O- ^' \& \4 W: u$ j7 W 每日一点专业英语: - ^: T. G. V0 `: C1 I ?Primary motion 主运动% k$ j) s, ~/ x/ ] Generated surface 生成表面/ ~+ N n5 W' @; J9 K; [$ m Secondary motion(feed) 第二运动(进给) 5 l! B% R; M. ^: L3 `# FPlate surfaces 平面表面 9 F8 T/ {& }( X. \ |