pvc-u piping pvcu管材
The company forms part of an industrial group that also produces water heaters and PVC piping.
该公司也设立了集团部门生产热水器和PVC管。
Michael works on P.I., hunched over a long tube of PVC piping. He calls out to a nearby C.O. that he needs to grab more.
在PI工作中,Michael向前倾身,处理一条长的PVC管,他向附近的一个狱警请示说需要去拿更多的PVC管。
In Dalian, the exchange is developing the world's first future for coke, a key input to make steel, and last year the exchange introduced a contract for PVC piping.
大连期交所正在开发针对炼钢关键材料——焦炭——的全球首份期货合约。去年,该期交所还推出了PV C管期货合约。
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