A、 The closed door prevents airflow from entering the compartment and may cause death because of no air to breathe.
B、 When the access plate is closed, the lack of ventilation of the compartment brings a risk of suffering injury.
C、 If you close the opening, the airflow can not enter into the compartment and creates a risk of jam.
答案：A
A、 The closed door prevents airflow from entering the compartment and may cause death because of no air to breathe.
B、 When the access plate is closed, the lack of ventilation of the compartment brings a risk of suffering injury.
C、 If you close the opening, the airflow can not enter into the compartment and creates a risk of jam.
答案：A
A. You can use the past form of technical verbs as adjectives
B. You can use the past tense form of technical verbs as adverbs
C. You can use the past participle of technical verbs as adjectives.
A. 安装前用润滑脂涂抹V形卡箍
B. 安装前用润滑脂润滑V形卡箍
C. 拆卸前用润滑脂润滑V形卡箍
A. Boost pump is generally used in lubrication system.
B. Boost pump is usually driven by electrical power.
C. Boost pump is mounted on the engine’s accessory gearbox and driven by the gearbox.
A. 文件必须经常修订
B. 文件必须易于修订
C. 文件必须容易阅读和看见
A. Drain the used oil into a container.
B. Pump the used oil into a container.
C. Suck the used oil into a container.
A. 与本规范的符合性相关的重要意见应予以公布。
B. 对于和本规范相抵触的重大意见应予以公布。
C. 应发布符合本规范的重要议题。
A. If pump makes noise, shut it down and check the pump filter.
B. If pump operation is noisy, check pump filter for metal particles.
C. If there is noise when the pump operates, examine the filter for metal particles.
A. 告诉一个人撤轮挡
B. 告诉A撤轮挡
C. 告诉一个人拆刹车
A. Light L4 illuminates within 5 seconds.
B. Light L4 comes on after 5 seconds.
C. Light L4 comes on 5 seconds before.
A. Find the type and dimensions of the damage.
B. Locate the damage and its dimensions.
C. Designate the damage type and then give it a dimension.
