A、 A number in the bottom left corner of the display means a related page.
B、 A number in the top left corner of the display refers to a related page.
C、 A number in the top left corner of the display is the irrelevant page.
答案：B
A、 A number in the bottom left corner of the display means a related page.
B、 A number in the top left corner of the display refers to a related page.
C、 A number in the top left corner of the display is the irrelevant page.
答案：B
A. Your skin and lungs can be protected.
B. Your skin and lungs can be harmed.
C. Your skin and lungs can be harmed suddenly.
A. 不要拧紧螺母去压紧它。
B. 不要旋转螺母去校准它。
C. 不要拧松螺母去对准它。
A. 确报开关的保护盖已经盖好。
B. 确保舱门上装有保险系统。
C. 查看开关是否安装了保险。
A. The same word “base” can go into different technical name categories when it is used with different meanings in different contexts.
B. The same word "base",when it has different meanings in different environment,it can be divided into different technical name categories.
C. When the word "base" can be divided into different technical noun categories,it has different meanings in different language environment.
A. 从油箱排出约 2 升滑油。
B. 从油箱排出约 2 升液压油。
C. 从油箱排出约 2 升燃油。
A. Check valve,that allows fluid blows in one direction completely but blocks all flow in the other direction,is a pneumatic or hydraulic system component.
B. Oneway valve is a hydro or gaseous system component that allows fluid flows in one direction freely but blocks all flow in the opposite direction.
C. Check valve is a hydraulic or pneumatic system component that allows full flow of fluid in one direction but blocks all flow in the opposite direction.
A. Make sure that the parts or surface layer are dry and free from uncontamination.
B. Make sure that the parts or surface layer are dry and free from contamination.
C. Make sure that the parts or surface lamination are dry and free from contamination.
A. 给组件涂上正确的颜色。
B. 用合适的颜色识别组件。
C. 对配件进行颜色编码。
A. 将钢索拼成三段那么高。
B. 将电缆剪成三等份那么宽。
C. 将钢索剪成等长的三段。
A. Make sure that chemical compound are not near the engine nozzle.
B. Make sure that solvents are not near the engine exhaust.
C. Make sure that there's no isopropyl alcohol near the engine exhaust port.
