Machinable injection mold, Die , drawing die, and other precision molds.可加工注塑模, 冷冲模, 拉深模等各种精密模具.It is machinable for the thicker of POM.5、表面塑料层在加工成型时可留一定的余量,装配压入座孔后可自行加工,以达到更好的装配尺寸.Objective To evaluate the biological co...
He was a stern critic but an extremely kindly man.他是个苛刻的批评家，但却是个非常善良的人。The tug crossed our stern not fifty yards away.拖船擦着我们的船尾开了过去，距离不到50码。We remember our mother's stern instructions not to boast.我们谨记母亲不许我们在人前炫耀的严厉...