[Daily question] Deep processing 20160921 fill-in-the-blank question: Angle steel is commonly known as angle iron. An angle steel with a side width of 30mm and a thickness of 3mm is expressed as...
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In order to increase popularity and strengthen technical exchanges among sea friends, [Daily Question] is specially released. Participate and get 4 points of wealth! Correct answers or in-depth discussions will reward you with 10 wealth points! :lol fill in the blanks: Angle steel is commonly known as angle iron. An equilateral angle steel with a side width of 30mm and a thickness of 3mm is expressed as ( ). Angle steel is commonly known as angle iron. An equilateral angle steel with a side width of 30mm and a thickness of 3mm is expressed as (∠ 30×30×3). ========================================= ☛[Haichuan Activity Plan] I have the final say on my questions - I will judge the "best answer"! http://bbs.hcbbs.com/thread-1618021-1-1.html (Source: Haichuan Chemical Forum)
Angle steel is commonly known as angle iron. An equilateral angle steel with a side width of 30mm and a thickness of 3mm is expressed as (L30* 30 * 3).