标题: ???·°????????????????????? [打印本页]

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作者: apple    时间: 2004-3-27 16:45     标题: ???·°?????????????????????

1????=12????

1????inch=1000????mil

1mil=25.4um

1mil=1000uin   mil???ú???±????????

1um=40uin?¨???????????????????ó????????????????

1HOZ=28.35??/??·?????=35???×

H=18???×

4mil/4mil=0.1mm/0.1mm???í???à

1ASD=1°??à/??·?·??×=10.76°??à/??·?????

1AM=1°??à·???=60????  ?÷???????ó??????????????

1??·?·??×=10.76??·?????

1°???=28.35??,????????????

1????(????)=4.5??

1????????=3.785??

1KHA=1000°????±

1°??à???±=3600????

±???

?¨????=145-145/±???SG.  

SG.±????¨??/??·????×??=145/?¨145-?¨????)

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