A、 如果你发现了划痕,执行相关工作程序。
B、 如果你发现了划痕,做具体的修理工作。
C、 如果你发现了裂纹,执行适用的修理程序。
答案:C
A、 如果你发现了划痕,执行相关工作程序。
B、 如果你发现了划痕,做具体的修理工作。
C、 如果你发现了裂纹,执行适用的修理程序。
答案:C
A. Detection is that portion of the fire protection system which is used to sense and indicate the presence of overheat, smoke, or fire, if furnished as manufacturer-designated standard equipment.
B. If specified as standard equipment by the manufacturer, such equipment is that portion of the fire protection system. Detection equipment includes systems for transmitting and indicating conditions of overheating, smoke or fire.
C. If the equipment is part of a fire protection system and is designated as standard equipment by the manufacturer, the detection equipment includes the sensing and indication of overheat, smoke or fire.
A. Proper recipe shall be adopted to measure the pressure.
B. The pressure shall be estimated by using accurate equation.
C. Calculate the pressure with the applicable formula.
A. 作动时间必须在28至40秒之间,在某个方向作动电流不得超过0.5安培。
B. 指令要求作动时间必须在28至40秒之间,且作动电流不得少于0.5安培。
C. 在任何一个方向上作动的时间必须在28至40秒之间,且作动电流不得超过0.5安培。
A. Apply a layer of sealant on the top access panel.
B. Apply a layer of solvent on the top access panel.
C. Apply a layer of sealant on the bottom access panel.
A. 如果由于腐蚀你不能拆卸螺栓,则用油浸泡。
B. 如果你不能去除螺栓的腐蚀,则用油浸泡。
C. 如果由于腐蚀不能拆卸螺钉,你可以涂渗透油。
A. Make sure that the latch is fully engaged.
B. Make sure that the knob is fully engaged.
C. Make sure that the latch in full engaged position.
A. Water above the kitchen floor can seep in through small holes in the floor surface, invisible to the naked eye.
B. Eyes cannot see the vapor which may penetrate through small holes of the floor surface in the galley.
C. Moisture above the galley floor can go through small holes in the floor surface area and stay out of view.
A. “螺旋桨调速器”是利用螺旋桨轮毂内变距机构,通过增大或减小螺旋桨桨距来调节发动机或螺旋桨转速的装置。
B. “螺旋桨调速器”是通过螺旋桨的螺距变化机构,通过增加螺旋桨螺距来调节发动机或螺旋桨转速的装置。
C. “螺旋桨调速器”是通过螺旋桨的螺距变化机制,通过减少螺旋桨桨距来调节发动机或螺旋桨转速的装置。
A. 描述飞机起落架时,应描述其相应的结构(构件)。
B. 描述飞机起落架时,应描述其建设。
C. 描述飞机起落架时,应描述施工方法。
A. Be careful not to get acid on your skin.
B. Do not get acid on your skin.
C. You must be careful to get acid on your skin.