()belongstothecargohandlingequipment.
A. cargowinch
B. chainlifter
C. cablestopper
D. windlass
查看答案
下图曲线为种子萌发为幼一苗时某些物质含量的变化。如果B曲线代表的是葡萄糖的含量,那么A曲线最可能代表的物质是()
A. 水
B. 蛋白质
C. 淀粉
D. 麦芽糖
Theproximityofpackicemaybeindicatedby().
A. changesinseawatersalinity
B. glareoncloudsonthehorizon
C. changesinairtemperature
D. icebergs
Topsideicingdecreasesvesselstabilitybecauseitisusuallyoff-centerand().
A. increasesdisplacement
B. increasestheheightofthecenterofgravity
C. increasesdraft
D. reducesthepocketingoffreesurface
()belongstotheanchorhandlingequipment.
A. jibstopper
B. winchbarrel
C. slewingrim
D. windlass