The crankshaft and connecting rod converts energy into energy used to drive the vehicle. A: mechanical, thermal B: mechanical, kinetic C: thermal, mechanical D: kinetic, mechanical
The crankshaft and connecting rod converts energy into energy used to drive the vehicle. A: mechanical, thermal B: mechanical, kinetic C: thermal, mechanical D: kinetic, mechanical
The mechanical injuries are .
The mechanical injuries are .
Mechanical practice
Mechanical practice
“Mechanical machining”的意思（）
“Mechanical machining”的意思（）
The sound wave is (). A: Mechanical transverse wave B: Mechanical longitudinal wave C: Electromagnetic wave D: X<br/>rays.
The sound wave is (). A: Mechanical transverse wave B: Mechanical longitudinal wave C: Electromagnetic wave D: X<br/>rays.
Which of the following are typical mechanical activities?
Which of the following are typical mechanical activities?
Mechanical engineersalso work on power-producing machines.
Mechanical engineersalso work on power-producing machines.
工程力学的英文翻译为mechanical engineering。
工程力学的英文翻译为mechanical engineering。
Lily wants to be a mechanical engineer after graduation.
Lily wants to be a mechanical engineer after graduation.
Some of the earliest mechanical devices were designed to raise water from streams for the irrigate of crops.() A: earliest mechanical B: were designed C: raise D: irrigate
Some of the earliest mechanical devices were designed to raise water from streams for the irrigate of crops.() A: earliest mechanical B: were designed C: raise D: irrigate