正确答案: C
not greater twice than
题目:It is important to use only pure lead and to choose a thickness of wire which is greater than the normal allowable clearance but () this amount.
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学习资料的答案和解析:
[单选题]衡量气缸套内圆表面磨损的指标有()。Ⅰ.椭圆度误差;Ⅱ.圆度误差;Ⅲ.圆柱度误差;Ⅳ.内径增量;Ⅴ.磨损率。
C.Ⅱ+Ⅲ+Ⅳ+Ⅴ
[单选题]曲轴臂距差的符号表明曲轴()。
受力方向
[单选题]航行中船舶推进系统发生故障,为了准确地确定修理范围、修理项目、修理方案及其工作量,修理前必须进行()。
各种检验
[单选题]船轴工作轴颈磨损后可采取()修复。
光车
[单选题]沿海及内河的船舶的螺旋桨直径D<4.5m时,螺旋桨和艉轴允许采用()方式连接。
有键环氧树脂
[单选题]A heater in the circuit facilitates warning of the engine prior to () by circulating hot water.
starting
[单选题]The fine filters will be arranged () one can be cleaned while the other is operating.
so that