In our team clinic the injection needle used was with a broken coating and a barbed surface so it often hooked the muscles on my back out.
我们队医务室那一把针头镀层剥落，而且都有倒钩，经常把我腰上的肉钩下来。
Industrial cloth: 208,729,747, fiberglass cloth, glass fiber needle, barbed felting, film and liquid filtration cloth bag and so on.
工业布：208、729、747、玻璃纤维布、玻璃纤维针、刺毡、覆膜滤袋及液体过滤布等。
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