起重机电气火灾多发生在司机室内、小车拖缆线、控制屏等处，扑救时要用1211、干粉或二氧化碳等不导电灭火器材，并保持一定的距离。
1、正确正确
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Thesefiguresaregrossunderestimatesofthetrueincidenceofoccupationalill-health.
TheBrainandtheComputer
我们认为你的还盘不合理，因为这种材料的价格目前呈上升趋势Weshouldbepleasetoallowyoutherequesteddiscountof5%,ifyouwilltoraiseyourorderto50,000pieces.
Forexample,itisestimatedthatSASturnoverrateis4percentcomparedtotheindustrynormofmorethan20percentperyear.
Ifyoucomparethequalityofourgoodwiththatofothercountry,youwillseeourpriceisveryreasonable.
