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2、94:1991 Acoustics Test code for the measurement of airborne noise emitted by power lawn mowers,lawn tractors, lawn and garden tractors, professional mowers, and lawn and garden tractors with mowingattachments (. , , , , ) : ; 3.9 3.10; - 8.3, , ; . - ( ) ( ) . , - . - 1.5 ( 3.6). . ISO/TC 43/SC 1 (I
3、SO). (en). (MOD). , - , , , ().II 321102013 - . 528932007 . - , 6 -, - . () . , - - , 2014 -, III 3211020131 .12 13 24 25 .36 47 58 79 .810 9 () .10 () - 11094:1991 1214IV 321102013 , Noise of machines. Test code for the measurement of airborne noise emitted by private and professional power lawnmow
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6、e (motor) speed: - (), / , .3.7 (grass catcher): , .3.8 (cutting width): , - , () (), () .4 4.1 4.1.1 (, , 5/100), (, , . .) , - . 4.1.2 4.1.3 .1) 514011999.2 321102013 31275 , , 4.1.2.1 , 2 31275 2.2 , - 31275.4.1.2 , 1 1. 1 , 1252505001000200040000,10,30,50,70,80,9c177 0,1 3,6 c180 3,6 . , , . , .4.1.3 , , - , , 6.1. , , , .4.2 6 10 , .4.3 8 / 5 /. 1 / , . 5 .5 5.1 -. 1 17187. ( ) 1. , - . . ( ) 1- 2. - 2501000 .3 3211020135.2 c177 10 %. c177 1.
