a.没有污点的；纯洁的；不锈的stainless
实心不锈钢手镯stainless steel solid bracelet
不锈钢表带stainless steel watch band
不锈钢矿泉水泵stainless steel mineral spring pump
优质耐蚀不锈钢super-corrosion-resistant stainless steel
镍铬钼不锈钢Ni-Cr-Mo stainless steel
不锈钢点蚀试验pitting test for stainless steel【材】
不锈钢钢笔fountain pen with stainless steel nib