Tugs sometimes shackle a length of chain in the towline in order to（）.
1、The length of a wave is the length（）.
The length of a wave is the length（）.Aof the wave's crestBof the wave's troughCmeasured from crest to troughDmeasured from crest to crest
2、If the length of a wire is halved and
If the length of a wire is halved and the cross-sectional area is doubled, the resistance will be （）AquarteredBunchangedCdoubledDquadrupled
3、A design modification of an anchor cha
A design modification of an anchor chain which prevents kinking is the（）.Adetachable linkBstud linkCKenter linkDconnection link
4、A design modification of an anchor cha
A design modification of an anchor chain which prevents kinking is the（）.Adetachable linkBstud linkCKenter linkDconnecting link
5、The length of the steering oar in a li
The length of the steering oar in a lifeboat is（）.Ashorter than the rowing oarsBthe same length as the rowing oarsClonger than the rowing oarsDunrelated to the length of the rowing oar
站坪长度 length of station site