nuts
两面式画架
nuts and bolts doubble easel
暂无补充释义。
相关词条
shape of thread of screws or nuts in view of tensile load
be nuts about
securing screws, bolts or nuts by SEALS
RING(S) for locking or supporting bolts or nuts
from soup to nuts
SUPPORTS for bolt-heads or nuts
TIGHTENING of nuts by hand tool