词汇	polypropylene bag
释义	polypropylene bag 聚丙烯袋
随便看	double pole lever switch double pole mast double pole piece magnetic head double pole-piece magnetic head double pole receiver double-pole receiver double pole relay double-pole relay double-poles double pole scaffold double-pole scaffold double pole series circuit double pole simple throw switch doublepole single-throw double pole single throw double pole single-throw double-pole single throw double-pole single-throw double-pole single throwdpst double-pole single-throw swich doublepole singlethrow switch double pole singlethrow switch double-pole singlethrow switch double-pole single-throwswitch double pole single throw switch