A、They conduct heat poorly
B、They are expensive
C、They cannot be replaced
D、They require special tools for removal
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A、feel the high pressure fuel line B、check the cylinder exhausts for white smoke frequently C、check the cylinder exhaust temperature D、isolate each cylinder and inspect the injector
A、open the steam line mot valve B、drain the steam cylinder C、close the steam cylinder drains D、open the liquid cylinder drains
A、A. Line 92 will not execute. B、B. The connection will not be retrieved in line 85. C、C. The resource connection will not be closed on line 88. D、D. The enclosing method will throw an exception to its caller.
A、cylinder head water outlet header B、cylinder jacket inlet main C、heat exchanger inlet connection D、jacket water pump suction line
A、0→初应力→1.03σcon（锚固） B、0→初应力→1.05σcon→0.9σcon→σcon（锚固） C、0→初应力→σcon（持荷2min锚固） D、0→初应力→1.05σcon（持荷2min）→O→σcon（锚固）
A、A.two all-round red lights in a vertical line B、B.three all-round red lights in a vertical line C、C.two all-round yellow lights in a vertical line D、D.three all-round green lights in a vertical line
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