[范文] 预充填砾石的筛管在两层筛网中间有一层固定的砾石充填层，不会发 日期：2022-01-21 09:18:25 点击：145 好评：0
(判断题)18: 预充填砾石的筛管在两层筛网中间有一层固定的砾石充填层，不会发生中间层的砾石随油、气流移动的现象，比单层绕丝筛管有较好的防砂效果，且寿命较长。 A: 错误 B: 正确 ...
[范文] 相态是指物质一直保持的状态。 日期：2022-01-21 09:16:15 点击：51 好评：0
(判断题)6: 相态是指物质一直保持的状态。 A: 错误 B: 正确 ...
[范文] 套固法适用于上部套管损坏特别严重、多处损坏，修后注采要求承受 日期：2022-01-21 09:13:23 点击：55 好评：0
(判断题)16: 套固法适用于上部套管损坏特别严重、多处损坏，修后注采要求承受高压的井。 A: 错误 B: 正确 ...
[范文] 渗透性材料的筛管完井既可起砾石层的过滤作用，又可避免砾石的移 日期：2022-01-21 09:12:11 点击：167 好评：0
(判断题)10: 渗透性材料的筛管完井既可起砾石层的过滤作用，又可避免砾石的移动对筛管的磨损。 A: 错误 B: 正确 ...
[范文] 通过冲管、油管或油套环空向井底注入高速流体冲散砂堵，由循环上 日期：2022-01-21 09:10:56 点击：179 好评：0
(判断题)4: 通过冲管、油管或油套环空向井底注入高速流体冲散砂堵，由循环上返的液体将砂粒带到地面，以解除油水井砂堵的工艺措施称为捞砂法。 A: 错误 B: 正确 ...
[范文] 负压射孔时不会产生对产层的液体污染。（第5章) 日期：2022-01-20 23:05:08 点击：122 好评：0
(判断题)1: 负压射孔时不会产生对产层的液体污染。（第5章) A: 错误 B: 正确 ...
[范文] Five-year-old children are too young to go to school, ______ 日期：2022-01-20 23:03:52 点击：105 好评：0
(单选题)9: Five-year-old children are too young to go to school, ________? A: are they B: aren't they C: were they D: have they ...
[范文] When her husband died, she received $200,000 in ____________ 日期：2022-01-20 23:02:20 点击：55 好评：0
(单选题)3: When her husband died, she received $200,000 in ____________. A: endurance B: insurance C: assurance assurance D: reassurance ...
[范文] I like that new watch very much, but I can’t _______ it. 日期：2022-01-20 23:00:56 点击：67 好评：0
(单选题)17: I like that new watch very much, but I can’t _______ it. A: afford B: offer C: spendspend D: cost ...
[范文] The soldiers jumped into the river _________ past their ears 日期：2022-01-20 22:59:26 点击：192 好评：0
(单选题)11: The soldiers jumped into the river _________ past their ears. A: with bullets whistling B: with bullets whistled C: with bullets to whistlewith bullets to whistle D: with bullets being whistling ...
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