鲜花( 7) 鸡蛋( 0)
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各位好哈!+ G, H; J* z- T! A/ H, a# w
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电工兄弟里面穷人多呀!homestay我今天割肉啦!!6 X% u, [4 u: p7 I% P% J
( A7 n% ]# x. p6 w9 ^今天讲个电工做tray时有用的三角函数。+ k0 \/ y# T4 j1 e, u9 W4 c
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Q: 39英寸宽的tray,做个45度水平(horizontal,注意读音有点特别)的拐角, 咋整?
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4 H% Q) P# j, Q( M5 iA: 找好拐点,用量角器(proactor)两边各量一个22.5度的角,不就成了吗? NO!
4 `! U# N# n7 j& q" c% i proactor works great on samll size trays, however it doesn't work on those oversized trays very well. In order to work it out accurately, you need calculate the exact numbers.* d; f1 ~6 s( p( r& Q
看了图片,如果还不会,那您这假电工。。。。也太假了:)
1 Q; g/ G# q. |' G, P1 N0 m( y/ b 关键要记住: tan(22.5)=0.414
$ ?; ?0 ~( p. w, ~ 大尺寸的tray不仅材料贵,而且做好后特别上眼,因此要求一定做得准确,漂亮!记住“宽度乘0.414”能让咱们华人电工在小鬼子眼中地位一下子高两级!!
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4 u1 [$ n8 ]9 E5 \8 `% s( e 为了华人电工,请记住: 宽度乘0.414!!! m- A4 Q; o* Y. f
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觉着有用,送朵花。。。。也行。。。crying。。。。 |
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