硬毡具有一定的强度，不可折。
为低粘度，具有一定的压缩强度的材料。
It is the material with low viscosity and some certain compressive strength.
天然沉积粘土都具有一定的结构性(组构和胶结)和结构强度。
The clays from natural sedimentation have always the structure (fabric and bond) and structure strength.
MPPAN卷绕丝的结晶及晶粒尺寸较低，具有一定的机械强度，热水收缩较大。
The undrawn MPPAN yarn has lower crystallinity and crystal size, fairly high mechanical strength...
MPPAN卷绕丝的结晶及晶粒尺寸较低，具有一定的机械强度，热水收缩较大。
The undrawn MPPAN yarn has lower crystallinity and crystal size, fairly high mechanical strength...
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