【运输】牵引耦合

心肌细胞兴奋-收缩偶联的微观机制

心肌兴奋收缩耦联过程中的钙调控

traction relief (pull relief)

starter battery, traction battery

Hoke well-leg traction

traction

traction bandaging

load-carrier adapted to be engaged by a traction element conveyer

traction

traction