外科大夫用塑料管(俗称套管)把心肺机与患者连接起来。
The surgeon connects the plastic tubes (known as cannulae) from the heart-lung machine to the patient.
外科大夫用塑料管俗称套管把心肺机与患者连接起来。
The surgeon connects the plastic tubes known as cannulae from the heart-lung machine to the patient.
结果表明，驱动桥壳空心梁和半轴套管部分的应力远小于材料的许用应力，而悬架支座与桥壳连接处出现了局部应力过大的情况。
The results show that stress in hollow beam and semi-shaft bush is much less than permissible stress, while joint of suspension frame and axle housing has too large local stress.
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