The washer also comes with substandard ball bearings that put additional pressure on the drum while it spins inside the tub.
另外，滚筒在外筒里转动时，洗衣机上不合格的滚珠轴承给它施加了额外的压力。
It is very important for the designs of well casing strings, especially for those of deep Wells and super deep Wells to analyze the load bearing capacity of tub es inside slips.
分析卡瓦内悬挂管柱的承载能力，对油井特别是深井和超深井的套管柱设计十分重要。
The inside of the outer tub is provided with the rotary drum capable of rotating for washing.
在外桶内部设有可旋转进行洗涤的滚筒。
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