405.IF YOU ( )THAT THE HYDRAULIC PUMP DOES NOT OPERATE CORRECTLY, EXAMINE
THE PUMP.

A. 　TWINKLE

B. 　FLASH

C. 　SPARKLE

A. 　如果调节止动不正确,测试结果将不准确。

B. 　如果调节止动未修正,测试结果将不准确。

C. 　如果止动点的调整不正确,测试结果将不准确。

A. 　INCLUDE

B. 　INCLUDES

C. 　INCLUDING

A. 　Magnet valves shall be marked with distinctions,is to indicate the
valve spring-loaded into the open or closed position.

B. 　ElectroMagnetic valve shall be marked with a feature indicating whether
the valve is spring-loaded into the open or closed position.

C. 　Solenoid valves shall be shown with a mark,is to indicate the valve
spring-loaded to the open or closed position.

A. 　使用具有良好硬度特性和足够重量和质量的白纸,以消除双面打印时透视显
示。

B. 　使用具有良好力量特性和足够重量和质量的白纸,以消除双面打印时透视显
示。

C. 　使用具有良好强度特性和足够重量和质量的白纸,以消除双面打印时透视显
示。

A. 　If you cannot remove a nut because of corrosion, apply penetrating oil.

B. 　If you cannot disassembly a bolt because of corrosion, use penetrating
oil.

C. 　If you cannot remove a bolt because of corrosion, apply penetrating oil.

A. 　WORKS

B. 　OPERATES

C. 　MAKES

A. 　Adjust compass system 1 until it agrees with compass system 2.

B. 　Synchronize compass system 1 with compass system 2.

C. 　Regulation compass system 1 until it agrees with compass system 2.

A. 　If the sleeve is incorrectly attached, adjust it.

B. 　If the sleeve is badly attached, adjust it.

C. 　If the sleeve is wrong attached,adjust it.

A. 　Trichloroethylene is good for health.

B. 　Trichloroethylene is hazard for health.

C. 　When there is trichloroethylene, you shouldn't worry about it.