滑油系统的供油泵和回油泵装在什么地方?()
A.分开装在附件齿轮箱的安装座上
B.装在滑油箱里
C.通常在润滑组件里,并装在附件齿轮箱上
D.装在转换齿轮箱
参考答案:C
On a purchase of $120, a store offered a payment plan consisting of a $20 down payment and 12 monthly payments of $10 each. What percent of the purchase price, to the nearest tenth of a percent, did the customer pay in interest by using this plan ?()
A.16.7%
B.30%
C.75.8%
D.106.7%
E.107.5%
巨血小板综合征时无法诱导血小板聚集的是()
A.ADP
B.肾上腺素
C.花生四烯酸
D.胶原
E.瑞斯托霉素