Rock wool board can also be moisture-proof foil surface sticky, black (white) glass fiber mat reinforced fiberglass clothfolder, and moisture and other decorative veneer.
亦可在岩棉板表层粘防潮铝箔、黑(白)玻纤布夹筋玻纤毡等装饰及防潮贴面。
2
For replacing part (s) of needle, presser foot, throat plate, looper, spreader, feed dog, needle guard, folder, cloth guide etc.