Erections of power installations with nominal voltages up to 1000 V; electrical installations in caravan parks and caravans;

额定电压1000V以下电力设备的安装.野营地和野营车用电力设备

There are many ancient erections of unknown use.

有许多不知作何用途的古代建筑。

Ultrasound pictures have revealed erections in male fetuses as early as the seventeenth week after conception.

超声波图像显示，早在受孕后17周男性胎儿就会勃起。

Piercings. A penis piercing can cause skin infections and prolonged erections .

穿刺。阴茎穿刺会导致皮肤感染和长时间的勃起。

Most men have erections every hour to hour and a half during sleep.

大多数男人在睡眠时平均每一小时到一个半小时勃起一次。

Erections happen when guys fantasize and think about sexual things or sometimes for no reason at all.

当男孩们幻想有关性的事情的时候，就会勃起。有时没有任何原因也会勃起。

Animal models have established that both sexual desire and erections arise from dopamine signals.

动物模型已经证实，多巴胺发出信号引起性欲和勃起。

Gradually, morning erections return, followed by libido and, perhaps, occasional spontaneous erections.

渐渐地，性欲恢复，可能偶尔自发勃起，早晨又会勃起了。

In rats, the treatment restored full erections , improved blood flow and accelerated healing.

事实上，这样的治疗恢复了勃起，促进了血液循环、加速了康复。

They are renowned for their sexual prowess and insatiability and are often portrayed in ancient Greek art with erections .

它们因高超的性技巧和不知满足的性欲而著称，在古希腊艺术中通常以阴茎勃起的形象示人。

I kept getting erections , but I didn`t want to masturbate.

我的阴茎一直坚挺不衰，但我不想手淫。

I remember asking other guys who went before me about when they noticed the return of their full erections .

我记得我问过比我先来的其他人，他们大约什么时候注意到又能够完全勃起了。

Psychological stress can result in loss of libido and problems with erections .

心理压力也会导致性欲减退和勃起困难。

Penile fracture is rare, and it typically happens to younger men because their erections tend to be quite rigid.

阴茎断裂比较罕见，通常发生在青少年身上，主要原因是其小弟弟勃起过于刚硬。

Men with larger penises also are more likely to have problems getting and keeping erections .

有着较大的阴茎的男性也更容易发生勃起问题和不持久的问题。

There have been reports of men having painful and sustained erections .

曾有关于痛苦的，持续勃起的男人的报道记录。

having slow erections and migraines

勃起较慢和有偏头痛