基本释义:

在下止点以前

网络释义

1)before bottom center,在下止点以前

2)BBDC Before Bottom Dead Center,在下止点前

3)before top center,在上止点以前

4)before bottom center,下死点前在下止点前

5)bbdc(before bottom dead center),下止点前

6)BTDC Before Top Dead Center,在上止点前

用法和例句

before bottom center

下死点前在下止点前

before top dead center

在上死点前在上止点前

So the exhaust valve opens before BDC and closes after TDC.

因此排气门在下止点之前打开，在上止点之后关闭。

after bottom dead center

下死点后在下止点后

The Bore is the diameter of the cylinder. The stroke is the distance the piston travels from BDC (Bottom dead center) to TDC(top dead center). The Bore is always mentioned first.

内径指的是气缸的直径;行程是活塞从下止点运行到上止点的距离。表述时,内径总是写在前面。

It has rained every day so far this month.

这个月到目前为止每天都在下雨。

In break mode, only stop execution of the current process

在中断模式下，只停止执行当前的进程

At 2: 25p.m, his heart ceased to beat.

在下午２点２５分他的心脏停止了跳动。

Fold the shoulder seam downwards. Cut from point C around the front neckpoint to point B. cut down around the armhole. Stop before reaching the underarm point.

折叠肩的缝线。从C点开始剪,沿着前颈点到B点。沿着袖窿往上剪,到达腋下点前停止。

So far, the focus has been on fiscal discipline.

到目前为止，其重点都是放在财政纪律之上。

Arthroscopic technique of figure-of-eight suture fixation for avulsion fracture of anterior cruciate ligament in adults:report of 24 cases

关节镜下“8字”缝线法治疗成人前交叉韧带下止点撕脱骨折24例

Right, now, let me just check the details so far.

好，现在让我核对一下目前为止的详细情况，

Nearly 5,000 people are still missing.

到目前为止，仍有近5000人(在这次事件中)下落不明。

The reporter 's deadline is 8 p.m. for the morning edition

记者给上午版发稿的截止时间是(前一天的)下午八点

The reporter's deadline was 8 P.M. for the morning edition.

记者给上午版发稿的截止时间是(前一天的)下午八点。

Arthroscopic reduction and fixation of anterior cruciate ligament(ACL) avulsion fracture from the tibia spine with suture

关节镜下丝线内固定治疗前交叉韧带胫骨棘止点撕脱骨折

after top center

上死点后在上止点后

If the exhaust valve opened at BDC at the beginning of the exhaust stroke and closed at TDC at the end of the exhaust stroke, it would have a duration of 180°.

如果排气门在排气行程的下止点打开并且在这次行程的上止点关闭，它将有180°的持续。