单选题
Make sure that the L-Shaped seal stays bonded. If the seal does not stay bonded, a leak can occur.
A
The L-Shaped seal must stay separated, otherwise there will be leakage.
B
Make sure that the L-Shaped seal stays bonded or a leak can occur.
C
Make sure that leakage can occur after the L-Shaped seal is bonded.
答案解析
正确答案:B
