A metal ring on the bottom of a block,to w
题型:单项选择题
问题:
A metal ring on the bottom of a block,to which the standing part of a tackle is spliced,is known as a(n)().
A.becket
B.loop
C.swivel
D.eye
A metal ring on the bottom of a block,to which the standing part of a tackle is spliced,is known as a(n)().
A.becket
B.loop
C.swivel
D.eye