Since long the double-crank block mechanism has been designed by means of the graphical fitting method in order to determine the dimension figures of the mechanism.
长期以来，双曲柄——滑块机构多用作图试凑法来进行机构尺寸的设计。
The fitting block is made of PA, all other hinge parts are made of stainless steel 304.
有尼龙装配件。 门铰其余零件均用不锈钢制造。
The fitting block is made of PA, all other hinge parts are made of stainless steel 304.
有尼龙装配件。 门铰其余零件均用不锈钢制造。
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