【物理】凹槽的横撑木支撑【物理】针支撑

1 cun needle

prostatic needle holder

Juniperus recurva Buch.-Ham.Juniperus rigida S. et Z.Needle juniper;Stiff-leaved juniper

Mounting needle

needle-embedding

insertion of the needle by pinching up the skin

stainless steel needle

Hypodermic needle