147. Which of the following is not a form of precipitation? _____ .
147. Which of the following is not a form of precipitation? _____ .
Which of the following solar terms is about precipitation?
Which of the following solar terms is about precipitation?
I end up getting my heart ______ . For so many years, I was never expressive with my feelings. A: hardened B: hardening C: hardens D: being hardened
I end up getting my heart ______ . For so many years, I was never expressive with my feelings. A: hardened B: hardening C: hardens D: being hardened
Instead of __________him, his university courses hardened his will rather.
Instead of __________him, his university courses hardened his will rather.
The precipitation hardening processes include （） heat treatment and （） heat treatment.
The precipitation hardening processes include （） heat treatment and （） heat treatment.
The final structure obtained from tempering a fully hardened steel is called tempered .
The final structure obtained from tempering a fully hardened steel is called tempered .
智慧职教: ______ cannot be hardened by heat treatment since they contain no hardening element.
智慧职教: ______ cannot be hardened by heat treatment since they contain no hardening element.
High above the _________ , water molecules change into liquid that falls down in precipitation of rain to the earth.
High above the _________ , water molecules change into liquid that falls down in precipitation of rain to the earth.
The minimum hardness in the joint of a FSWed precipitation-hardened aluminum alloys lies in the （ ）. A: thermally affected zone B: thermomechanically affected zone C: dynamically recrystallized zone
The minimum hardness in the joint of a FSWed precipitation-hardened aluminum alloys lies in the （ ）. A: thermally affected zone B: thermomechanically affected zone C: dynamically recrystallized zone
A hardened professional smuggler feels his behaviour. A: unashamed of B: unwronged by C: unshocked by D: guiltless of
A hardened professional smuggler feels his behaviour. A: unashamed of B: unwronged by C: unshocked by D: guiltless of