网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
单选题
A sheave is a().
A

grooved wheel in a block

B

line to hold a lifeboat next to the embarkation deck

C

partial load of grain

D

sesman's knife


参考答案

参考解析
解析: 暂无解析
更多 “单选题A sheave is a().A grooved wheel in a blockB line to hold a lifeboat next to the embarkation deckC partial load of grainD sesman's knife” 相关考题
考题 A “figure eight”knot is used to ______.A.be a stopperB.shorten a lineC.join lines of equal sizeD.keep a line from passing through a sheave

考题 单选题A “figure eight” knot is used to().A be a stopperB shorten a lineC join lines of equal sizeD keep a line from passing through a sheave

考题 单选题Which will cause a wire rope to fail().A Using a medium graphite grease as a lubricantB Operating a winch too slowC Using a sheave with an undersized throatD A sheave diameter of 24 times the wire's diameter