2) junk preventing string
防落物管柱
1.
In order to improve the horizontal well completion,cementing in build-up section plus ECP sectionalized screen completion,liner hangering plus cementing in build-up section plus ECP VariSPF screen completion,uniform acidification string of hydraulic jetting as well as junk preventing string were developed according to geologic characteristics of different complicated fault block oil reservoirs.
为提高水平井完井工艺技术水平,华北油田针对不同复杂断块油藏的地质特征,完善配套了水平井造斜段注水泥+管外封隔器的分段筛管完井工艺、尾管悬挂+造斜段注水泥+管外封隔器的变孔密防砂筛管完井工艺、水力喷射均匀酸化管柱以及防落物管柱。
3) fops plate
落物防护结构板
4) falling-object
落物
1.
Analysis for roll-over and falling-object protective structure of large bulldozer;
大型推土机翻车和落物保护结构受力研究
5) preventing falls
防坠落
6) dropping control unit
防落装置
1.
The study and application of tubing dropping control unit;
油管防落装置的研制与应用
补充资料：薄落
1.犹落魄。潦倒失意。古代戏曲中常用以形容科场失败后颓丧不得志的样子。 2.藩篱。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条