... 臂架型起重机起重力矩限制器通用技术条件 GB 7950-1999 3.1 额外调整extra-adjustment 3.2 额定起重力矩rated load moment ...
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I bought it for the micro adjustment feature, the extra power that it offers over my 690 and the smooth start and stop.
我买它的微观调整企划它提供了额外的权力,我和690的顺利启动和停止。
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