["甲醇精制装置の安全について",,"安全帽の重量は( )グラムを超えてはなりません。　A.300 BA400 CA599 DA699　","答案：C 安全帽の国C規格の重量：a..沿、カーブド安全帽は431グラム未満(付属品を含まず)；bA大沿安全帽は461グラム未満(付属品を含まず)；cA防寒帽は691グラム未満(付属品を含まず)。","通常のものは431グラム未満、防寒用のものは691グラム未満。"]

2020-06-03View Original

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家规定一顶安全帽的重量不应超过( )克。　　A.300 B.400 C.500 D.600　

Reply #22020-06-03

答案：C 安全帽的国C标重量：a. 小沿、卷边安全帽不超过430g(不包括附件)；b. 大沿安全帽不超过460g(不包括附件)；c. 防寒帽不超过690g(不包括附件)。

Reply #32020-06-05

普通的不超过430G，防寒的不超过600G。

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