问题
单项选择题
Puncture leaks in the lower tubes or bottom of an inflatable liferaft should FIRST be stopped by using().
A.sealing clamps
B.repair tape
C.a tube patch
D.sail twine and vulcanizing kit
答案
参考答案:A
Puncture leaks in the lower tubes or bottom of an inflatable liferaft should FIRST be stopped by using().
A.sealing clamps
B.repair tape
C.a tube patch
D.sail twine and vulcanizing kit
参考答案:A