This clearance must be minimized as to provide maximum strength.
必须尽量减少这种通关，以提供最大的力量。
The maximUm difference of failure strength among various principal stress direction is up to 30%.
不同主应力方向的破坏强度最大差别可达30%。
The maximum value of tensile strength increased by 30%, and the impact strength by 60%.
其拉伸强度最大提高为30 % ，而冲击强度则可提高6 0 %。
The maximum value of tensile strength increased by 30%, and the impact strength by 60%.
其拉伸强度最大提高为30 % ，而冲击强度则可提高6 0 %。
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