screw

SCREW CONVEYOR中译是____,ERECTOR中译是____

Whatis the major difference between a cap screw and a bolt?

sheath A: 铜 B: 鞘 C: 电缆

Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded，the davit（）.

The landmark formed by the posterior layer of sheath for rectus abdominis is named as

The aponeurosis of abdominal oblique tendon does not<br/>participate in the composition () A: Inguinal ligament B: Anterior layer of rectus<br/>sheath C: Posterior layer of rectus sheath D: Lacunar ligament E: White line

What are the components of the complete leaf? A: stipules B: blades C: leaf sheath D: petiole

The axons and dendrites that are coated with a myelin sheath are called ( ). A: Neurite B: Nerve C: Nerve ending D: Nerve fiber

Among the following defects, ( ) belongs to the point defect. A: positive edge dislocation B: Frenkel defect C: negative edge dislocation D: screw dislocation