圈柱LEG LOOP PILLAR

1、弹性圈柱销联轴器在工作中不能（）。

弹性圈柱销联轴器在工作中不能（）。A缓和震动和冲击B补偿两轴的偏移C使用在较低转速的情况下D使用在较高转速的情况下

2、A flooded leg on a liftboat would adve

A flooded leg on a liftboat would adversely affect the vessel’s stability underway by（）.Aincreasing the righting momentBdecreasing the vessel's displacementCincreasing the reserve buoyancyDshifting the CG (center of gravity) off center

3、LCFD：FLIGHT/DATE/LEGS中LEG最大为()个航节。

LCFD：FLIGHT/DATE/LEGS中LEG最大为()个航节。A10B15C20D25

4、The choice of length of tow bridle leg

The choice of length of tow bridle legs is governed by the（）.Aexpected towing forcesBcapability of retrieving gearCfreeboard of the unit being towedDneed to reduce yaw

5、组装LEG型推力瓦时的注意事项？

组装LEG型推力瓦时的注意事项？

6、David injured his leg playing football

David injured his leg playing football yesterday. Really?（）AWho did that?BWhat's wrong with him?CHow did that happen?DWhy was he so careless?