lug

lug lug style butterfly valve这个是哪种蝶阀啊 英语有些需要押韵,押韵是什么意思什么时候需要押韵?像lug 为什么押韵G 为什么一般过去时和现在完成时的时间状语都有时用一般过去时?I visited Lug for three days last summer.为啥不用过去完成时? 英语翻译Connect the ground jumper that is connected to the ground lug,to ground post that is located on the sub-base.将接地跳线与接地片、喷胶机垫板上的接地（?）连接起来. 英语翻译下面的电气方面的英语该怎么翻译：1.Digtal Ammeter Adjustable,Aux input,230V2.Digtal Kw Meter Adjustable,Aux input;3.Bus Bar,Folk type4.Copper Cable Lug 16mm,Bolt hole 10mm5.Pre Insulation Terminal,Folk type6.Terminal Block, 英语翻译Rovalve Figure SB1700,2” thru 24”Bonnetless,knife gate valve,150 psi design for 150 psi CWP,cast stainless steel two-piece bolted-body with lug style port flanges standard with bolts holes drilled and tapped to ANSIB16.5/150,but capab 请教几个轮胎业务中的英语句子和单词Durum 是什么轮胎品牌?轮胎英语中lug or rib 是凸缘或螺纹的意思吗?轮胎英语中light and truk tyres TL、TT是无内胎的吗?tread wear number是胎面磨损数值吗?还有下 英语翻译N.Cognome e nome WANG FEDERICO nato a APRILIA il via n.VACCINAZIONE ANTIDIFTERICA-ANTITETANICA-ANTIPERTOSSE1°il 29 OTT.2007 INFANRIX HEZA 2°il 08 GEN.2008 INFANRIX HEZA 3°il 30 LUG.2008 INFANRIX HEZA 4°il 5°il VACCINAZIONE ANTIPOLIO1 英语好的同学情帮个忙!If a garbage disposal is discovered to have a frozen lug,or a hammer that does not move freely,it is recommended that the user feed smaller bones such as those from chicken,through the unit.As seen on an episode of th