Finite element analysis for constraint model was conducted on the gear box casing of 7ypj agricultural tricar using modal analytic theory according to its structural characteristics.
针对7ypj型农用三轮汽车齿轮箱体的结构特点，应用模态分析理论对其进行了约束模态的有限元分析。
Now we know why the packing box was so large: the Adamo is encased in a "time-capsule" plastic casing, which in turn is protected during shipping via black plastic shipping caps.
现在我们知道为什么包装盒是如此之大：在阿达莫是装在一个“时间胶囊”塑料外壳，而这又是在通过黑色塑料瓶盖航运航运保障。
Please put each bottle in a foam plastic casing and then in a thick paper box.
译文：请将每个瓶子加一个塑料泡沫套并装在后纸盒内。
YHX series threading box the necessary connecting piece at the junction of the casing, cable connector and branch when laying the cable.
YHX系列穿线盒是电缆穿管敷设时在套管连接处、电缆接头处、分支处必须采用的连接件。
Its upper end is drill pipe box or union, the nether end is casing pin. It is a crossover with hollow inside.
它是个上端为钻杆母扣或者由壬，下端为套管公扣，内空心的转换接头。
In the casing surface spray treatment, stainless steel box cover.
机壳表面喷塑处理，不锈钢箱盖。
Technology: tetrafluoroethane by ordinary heating regardless of the heating of the outer casing and tetrafluoroethylene in the terminal plastic junction box is processed.
工艺：四氟加热管它是由普通加热管的外层加四氟套管，在接线端用塑料接线盒加工而成。
Jeff: Yes, as you can see, the casing scratches very easily. I just took it out of the box and put it on my entertainment unit and I got all of these scratches.
是的，你也能看到，外壳上很容易出现划痕，当刚把它从箱子里拿出来放到我的影视组合柜后，上面就全是划痕。
The casing of the electricity generating gear box covers the driving shaft.
发电齿轮箱的外壳包覆驱动轴。
A case cover corresponding to an opening of the box body is also a double-layer stainless steel casing and an insulation material layer is equipped in a mezzanine of the casing.
与箱体上开口对应的箱盖也为双层不锈钢壳体，其夹层内设有保温材料层。
An oil pump (18) is arranged on the external part of the casing of the gear box and on a power output shaft (17), and an oil cylinder (9) is arranged on the rear upper part of the gear box.
在变速箱的壳体外部，于动力输出轴(17)上装有油泵(18)，而油缸(9)被安放在变速箱的后上部。
An oil pump (18) is arranged on the external part of the casing of the gear box and on a power output shaft (17), and an oil cylinder (9) is arranged on the rear upper part of the gear box.
在变速箱的壳体外部，于动力输出轴(17)上装有油泵(18)，而油缸(9)被安放在变速箱的后上部。
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