A、 the lower seal comes into view when you pull the lower bearing down.
B、 The lower seal shows as the lower bearing is pulled down.
C、 The lower seal appears as the up bearing is pulled down.
答案：A
A、 the lower seal comes into view when you pull the lower bearing down.
B、 The lower seal shows as the lower bearing is pulled down.
C、 The lower seal appears as the up bearing is pulled down.
答案：A
A. 在设计理论图时,必须有必要在使理论图易于说明的细节与易于阅读和理解
的必要简化直接做成选择。
B. 在设计简图时,可能需要在使简图一目了然所有细节和易于阅读和理解所需
要的简单基础之间做出让步。
C. 在设计示意图时,可能有必要在使示意图易于说明的必要细节与易于阅读和
理解的必要简化之间做出折衷。
A. In this configuration, the hydraulic pressure bypasses the valve.
B. In this configuration, the hydraulic pressure gets past the valve.
C. In this configuration, the hydraulic pressure passes the valve.
A. Decide which hydraulic system you will pressurize.
B. The pressurized hydraulic system is the best.
C. Check the hydraulic system that you will pressurize.
A. COMMENCE
B. START
C. ACTIVATE
A. if you must go near the engine exhaust, use ear protection.
B. if you must go to the engine exhaust, use ear protection.
C. if it is necessary to approach the engine exhaust, do ear protection.
A. BYPASS
B. BYPASSED
C. BYPASSES
A. KEEP
B. HOLD
C. MAINTAIN
A. Distances shown are based on weak wind.
B. Distances shown are developed with no wind.
C. Distances shown are on the basis of gentle wind.
A. 向前旋转手柄
B. 向后移动水平面
C. 向后移动手柄
A. 在表面盖上一层塑料传输板。
B. 在表面放置塑料材料板。
C. 在表面覆盖一层透明的塑料膜。
