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患者男性，26岁。外伤致肱骨中下1/3长斜形骨折，来院检查时发现有垂腕、垂指畸形。该患者合并哪条神经损伤A、臂丛神经损伤 B、正中神经损伤 C、正中、尺神经同时损伤 D、尺神经损伤 E、桡神经损伤 该患者选择哪种治疗方法痛苦小，稳妥A、给予神经营养药 B、手法复位，小夹板固定并观察 C、手法复位，悬垂石膏固定，观察2～3个月。如垂腕垂指无恢复再行手术治疗 D、立即切开复位，内固定，同时探查并修复受损的神经 E、手法复位，U形石膏固定，观察
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【简答题】A heat exchanger allows a hot fluid to transfer heat energy to a cooler fluid through ______________ and _______________ . A heat exchanger provides heating or cooling to a process.
【单选题】The general purpose of a heat exchanger is to _____.
A.
eliminate hot air from the condenser
B.
maintain steady pressure in a system
C.
heat, or cool one fluid by means of another fluid
D.
reduce the engine room temperature in tropical climates
【单选题】The rate of heat transfer between the hot and cold fluids passing through a shell-and-tube type heat exchanger will （）.
A.
remain constant along the tubes length
B.
be greatest in a single pass counter flow heat exchanger
C.
remain constant throughout the heat exchanger
D.
vary from section to section through out the heat exchanger
【单选题】第二组 The only attention that heat exchanger should require is to ensure that the heat transfer surfaces remain substantially clean and the flow passages generally clear of obstruction. Indication that ...
A.
the heat exchanger lube oil inlet temperature lowering
B.
the heat exchanger sea-water outlet pressure rise
C.
the heat exchanger temperature difference between lube oil and sea water increasing
D.
the heat exchanger pressure difference between sea water inlet and outlet decreasing
【简答题】heat exchanger
【单选题】According to the passage, it is recommended that the heat exchanger side be cleaned by .
A.
flushing with chemical solvent without being dismantled
B.
brushing mechanically after being disassembled
C.
flushing with flesh water only
D.
flushing with clean oil only
【单选题】听力原文：W: I have to take examination everyday next week. It's awful. M: It's OK for me, I'm having examinations on Monday, Tuesday and Friday. I have none on Wednesday and Thursday. I am thankful for th...
A.
Every day except Thursday.
B.
Monday, Tuesday, and Friday.
C.
Monday, Wednesday, and Friday.
【单选题】The type of heat exchanger that involves the alternate passage of the hot and cold fluid streams through the same flow area is the heat exchanger.
A.
regenerative
B.
compact
C.
plate and frame
D.
shell-and-tube
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