查询词典 drop-off

drop bar grizzly：离合棒条筛

drop-away voltage ==> 释放电压 | drop-bar grizzly ==> 离合棒条筛 | drop-bottom bucket ==> 活低式料斗

black drop：[天]黑滴, 黑跌落(黑系带)

beam drop [电磁]波束降落. | black drop [天]黑滴, 黑跌落(黑系带). | blossom drop 落花(现象).

drop bolt：活节螺栓

drop annunciator 吊牌通报器 | drop bolt 活节螺栓 | drop bottle filler 滴剂装瓶机

drop bolt：吊螺栓

drop bed trailer 下落式拖车 | drop bolt 吊螺栓 | drop bolt 活节螺栓

drop bolt：埋头螺 栓

drop behind 落后, 落伍. | drop bolt 埋头螺 栓. | drop bottom bin 活底箱(与叉车配合使用).

drop bolt：活节螺栓,舷窗诳峖Q螺栓

落下(下水) drop | 活节螺栓,舷窗诳峖Q螺栓 drop bolt | 开底门,开口底 drop bottom

drop a bomb：引起轰动, 引起惊慌

drop a bomb 引起轰动, 引起惊慌. | drop a brick 出丑, 失言. | drop a bucket into an empty well 空井打水, 徒劳无益.

drop bottom：活底

drop ball 落锤 | drop bottom 活底 | drop forging 落锤锻造

drop bottom：开底门,开口底

活节螺栓,舷窗诳峖Q螺栓 drop bolt | 开底门,开口底 drop bottom | 回降烟道式锅炉 drop flue boiler

drop bottom：落地门,炉底门,开底门,开口底

"drop bar","接地棒" | "drop bottom","落地门,炉底门,开底门,开口底" | "drop bottom cupola","开底熔铁炉"

shoring：支撑

舰务官(军官七队李长孝同学)正由船头第一修理班跑向船中第二修理班,他告我军士长室后方之舰内通信室(IC Room)进水,已将该隔堵之全部水密门关牢,但水压很大,要求第二修理班即刻派人前去协助做好该隔堵之支撑(Shoring)工作,岂知第二修理班人员已全部不在其岗位,

develop a sense of thriftiness：培养勤俭的意识

show a decline in their studies 显示学习成绩下降 | develop a sense of thriftiness 培养勤俭的意识 | spend money on high-priced items 在高档商品上化钱