... tongue depressor 压舌板, 压舌器 serrated end 收缩端管的 bayonet shape tongue depressor 枪形压舌器 ...
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收缩端
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tongue depressor with serrated end 有齿压舌器
end face serrated form 端面齿形
serrated end
锯齿状的结束
以上为机器翻译结果，长、整句建议使用 人工翻译 。
And the reliability of the connecting rod is greatly effected by the serrated contact surfaces at the big end.
对于连杆大端锯齿形配合面的研究更与连杆的可靠性密切相关。
youdao
The end product a curved, spoon-like device with serrated edges and two heads, one smaller and one larger is expected to be available at a home-goods retailer early this year, they say.
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