例句與造句

1. Model qw50a air operated slips has the features of reliably function , easy in operating and efficient in working
   該卡瓦具有工作可靠、井口安裝方便、操作簡(jiǎn)便、適用性強(qiáng)等優(yōu)點(diǎn)。
2. Model qw50a air operated slips is a wellhead tools . mainly used to clipping tubing and drilling rod which raise or put down at well repairing service operation
   Qw50a氣動(dòng)卡瓦是油田修井作業(yè)時(shí)，安裝在井口上用于卡緊油管及類似管柱的一種工具。
3. It's difficult to find operating slip in a sentence. 用operating slip造句挺難的