65% -72% 1. , , , degrease, ( ) .. .. - - , , , , , , ,

65% -72% 1. , , , degrease, ( ) .. ..

65% -72%


( ) ) , , , degrease, & nbsp; , GB / T19164-2003


2. ( )


, &

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& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 65% - 72% & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;

& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 10%

< p="">

& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 17%

& nbsp; & nbsp;

& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 5%

& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 10%



3.



4.



- , clenched,


5.


, ,


6.


· 50 25 ( )

, ,


7.FAQ


: ?

: 20

< =="" "="" :="" 0="" ;="" -="" :="" 0="" ;="" -="" :="" 0="" ;="" :="" (51,="" 51,="" 51);="" -="" :="" ,="" ,="" ;="" -="" :="" 14px;="" :="" ;="" :="" (255,="" 255,="" 255);="" "="">

: ?

: nbsp; / / ( 30% / 70% )


: ?

: & nbsp; 15 / Span>


8.


, 400,000 , , , 82% , , < =="" "="" -="" :="" ,="" ,="" -="" ;="" :="" 18px;="" "="">



65% -72% , , ,