强度差了一个等级
“The strength differs by a whole grade,”
THE DIALOGUE REEL
和Q345B的区别吧
“between Q235B and Q345B, right?”
强度 差了一个等级
“The strength differs by a whole grade,”
但外观几乎一样
“but they look almost identical.”
“This is inferior material being passed off as the real thing, which is dangerous.”
Cutting corners by swapping specified materials with visually indistinguishable inferior grades is a recurrent trope and real-world compliance issue in construction dramas.
LEARNING CHUNKS & PARTICLES
differs by a full grade; one tier below
Useful for contrasting performance, quality, or formal classifications.
Marks the completion or realization of a measurable difference.