The cylinder oil will have to neutralize the acidic products of combustion and have good （） properties to keep the metal surfaces clean.
A. detergent
B. de-oiling
C. defrosting
D. demulsifying
H3C SR88的产品特点有以下哪些方面（）。
A. 10G平台
B. 专用的软硬件监测机制
C. 精细化业务处理能力
D. 分布式业务处理
An advantage of nylon rope over manila rope is that nylon rope（）.
A. can be used in conjunction with wire or spring-lay rope
B. can be stored on decks exposed to sunlight
C. can hold a load even when a considerable amount of the yarns have been abraded
D. gives audible warning of overstress whereas manila does not
中世纪基督教社会在文化方面的成就主要表现为经院哲学、骑士文学和（）。
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