亚洲人精品午夜射精日韩,91婷婷,亚洲综合在线一区,国产秋霞

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?? ????л??????????????????????????????????? ??????????????????????
?? ??J21S-20???????????庸????????????????????? ????????????
?? ????л?????JD21???????????????JD21??в??????? ???????

Performances and characteristics
?? This series is an open-type fixed table press machine with the throat
depth increased.  It allows large space for operation,  and is suitable
for the stamping process of plates in large sizes;
?? Steel plates welded as machine bodies for all models except J21S-20,
internal stress removed, high strength and high rigidity;
?? This series is evolved from JD21 series, and has the same structure and features as JD21.

J21S-25A~125A?????н??????????????????????????鼱???0??-135???Χ??????????????????
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