标题: en 15503中3.17的理解 [打印本页] 作者: zjfxw 时间: 2010-3-11 08:55 标题: en 15503中3.17的理解 各位：帮忙看一下，EN 15503中3.17 ) V% z" _7 Y! X9 v ]( f! X$ hthrottle setting device 1 L; X) c% W6 i2 f6 [4 H. F2 {arrest device allowing the throttle to be temporarily fixed in and released from any required position to ease working with the machine over a period of time.! j2 d. e# _' Z: B& t, Y8 Y% t
这段文字的准确理解是？