掩护

以液压支架为例，介绍了它的前处理方案的确定，通过掩护梁的实例转换，对2种数据标准从CAD文件到CAE文件转换做了比较。

It emphasizes analyzing the standard for the exchange of integrated data of CAD / CAE , illustrates the hydraulic support , and introduces the scheme of pre-disposal . The discrimination of the shield beam is made by using the standards of IGES and STEP .

伪倾斜柔性掩护支架开采石门煤柱

Pillar Mining of Rock Cross-cut with Pseudo - sloping Flexible Shield

他们的工作是在秘密掩护下进行的。

Their work is carried out behind a veil of secrecy .

有些商业活动是为间谍活动提供掩护。

Some of the commercial activities were a cover for espionage .

这家旅行社不过是毒品交易的掩护场所。

The travel company is just a front for drug trafficking .

他为他们在几次非法房地产交易中作了掩护。

He fronted for them in several illegal property deals .

他给一个毒品集团当掩护。

He acted as a frontman for a drugs cartel .

他们设法在夜色掩护下逃跑了。

They managed to escape under cover of darkness .

他以公务员的工作作为搞间谍活动的掩护。

His work as a civil servant was a cover for his activities as a spy .

你先撤，我掩护你。

You go first . I 'll cover you .

他们受到盟军战机和坦克的掩护。

They 're backed by allied warplanes and tanks .

可能是有人故意放火掩护小规模的部队协同行动。

A fire could have been deliberately started to cloak small coordinated troop movements

他们声称无法为地面军事行动提供充分的空中掩护。

They said they could not provide adequate air cover for ground operations .

他们建立起一座为淫秽活动作掩护的假寺庙。

They set up a spurious temple that was a cover for sexual debauchery

该镇遭到了有空军掩护的陆军部队的猛烈攻击。

The town has been heavily bombarded by the army backed by the airforce .

今年秋季可能会再次推出一名掩护性候选人出来挑战，不排除这种可能性。

The possibility of another stalking horse challenge this autumn cannot be ruled out .

他们在黑暗的掩护下行进。

They move under cover of darkness .

他有很多朋友能保全他，帮他打掩护。

He had enough friends in the right places to save his neck and cover up for him

密林掩护了游击队的行动。

The dense forest hid the guerrilla 's movements .

密林掩护了游击队员的行动。

The dense forest screened the guerrillas ' movements .

部队在猛烈的炮火掩护下前进。

The troops advanced under cover of a heavy artillery bombardment .

败军乘浓雾的掩护而退走。

The defeated troops retreated under cover of a fog .

游击队利用青纱帐作掩护。

The guerrillas used the green curtain of tall crops as cover .

侵略者在大雾的掩护下发动了进攻。

The invaders attacked under a cloak of fog .

他用身体掩护自己的妻子。

He covered his wife with his body .

炮火掩护步兵前进。

Artillery gave cover while the infantry advanced .

在黑夜的掩护下，狗被偷走了。

Under cover of the dark , the dog was stolen .

我们用火掩护他冲过空地

We gave him covering fire as he dashed across the clearing .

进攻在炮火的掩护下开始了。

The attack jumped off under cover of a barrage .

某些人声称码头工人工会是走私集团的掩护所。

Some claimed that the docker 's union fronted for the smuggling ring .