例句與造句

1. Filters in interior gas - installation pipes
   內(nèi)部氣體設(shè)施管道的過(guò)濾器
2. Therefore , property owners must arrange registered gas contractors to inspect gas service risers and installation pipes in their buildings every 18 months
   所以，大廈業(yè)主有責(zé)任找注冊(cè)氣體工程承辦商，每十八個(gè)月檢修大廈的供氣分喉和用戶(hù)喉一次。
3. It's difficult to find installation pipe in a sentence. 用installation pipe造句挺難的