裂缝(crack;fissure)
第1题:
按裂缝的部位划分,裂缝可分为()。
A.贯穿裂缝、深层裂缝和表面裂缝
B.微观裂缝和宏观裂缝
C.粘着裂缝、水泥面裂缝和骨料裂缝
D.以上都不是
第2题:
A crack in a cylinder liner can be caused by
A.worn piston rings
B.installation of undersized sealing rings
C.operating the engine at low loads
D.restricted cooling water passages
第3题:
A. crash
B. collision
C. clash
D. crack
第4题:
第5题:
第6题:
裂隙(fissure)
第7题:
A crack in the deck plating of a vessel may be temporarily prevented from increasing in length by___________.
A.cutting a square notch at each end of the crack
B.drilling a hole at each end of the crack
C.slot-welding the crack
D.welding a doubler over the crack
第8题:
A、交叉裂缝
B、正裂缝
C、斜裂缝
D、水平裂缝
第9题:
第10题: