A. 阶级性 B. 强制性 C. 规范性 D. 预测性
A. at B. for C. in D. to
A. 神户 B. 奈良 C. 大阪 D. 东京
A. fuel oil pressure B. a cam operated follower C. a spring-loaded pressure plate D. timing gears keyed to the crankshaft
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