问题描述：
[单选]
Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out． If the angle is exceeded，the davit（）．
A．may jam against the stops
B．will not automatically position the boat at the embarkation station
C．screw may come out of the sheath
D．will chafe against the falls and may cause their failure
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：Most medium and slow speed diesels are started by what medium？
下一篇：Maintaining the close tolerances in diesel fuel pumps and injectors requires the use of（）．
- 我要回答: 网友(18.190.217.197)
- 热门题目: 1.曲轴臂距差对应着曲柄的变形， 2.中国船级社允许船舶曲轴臂距差 3.测量曲轴臂距差后，应对所测数