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单选题
The blankets have a waterproof covering and their installation in a shingled configuration prevents condensation from leaking into the compartment.
A
The isolation blanket has a waterproof layer that is installed in a brick configuration to prevent leakage of condensed water into the carriage.
B
The insulation blankets have a waterproof layer and are installed in a tiled configuration to prevent leakage of condensed water into the compartment.
C
The insulating blankets have a watertight layer which is mounted in a shingled configuration to protect leakage of water condensation into the compartment.
答案解析
正确答案：B
