hollow screws 中文意思是什麼
hollow screws
解釋
卡套式鉸接六角螺栓-
Compression couplings - hollow screws for ring - type banjos
壓緊聯軸節.環形鼓形管用空心螺釘 -
Analysis the difficulties in taking - out hollow screws after femoral neck fracture
陳舊性踝關節骨折脫位的手術治療
分享友人