Care must be taken to completely seal entrance plugs(eg. at a manway)in refractory linings.

必须小心地完全耐火材料衬里进口门。

They will have to block up the entrance to the tunnel.

他们将不得不通往隧道入口。

"Sayable" is a relatively closed system of expressions, and "unsayable" is a relatively open one.

说"相对性系统,"不说"相对开放性系统。"

The open approach contrasts favourably with the exclusivity of some universities.

这种开放式方法与一些大学排外形成了有利对比。

The country sealed its borders to prevent the influx of illegal immigrants.

为了防止非法移民大量湧入，该国了边境。

The singlehanded close communication protocol was used in DCS, standard communication protocol was used in FCS.

DCS采用独家通信协议,FCS采用标准通信协议。

The obturated haemocoel was enclosed by the continuous and stratified basement membrane under the coelothelium and endothelial.

体腔上皮和内皮下连续成层基膜围成呼吸树中血腔。

The amphitheater was a sealed off round structure. Swordplay, wresting, gladiatoral and other contests were held there.

该竞场为四周式结构，以举行斗剑、格斗、斗兽及其他竞赛项目。

The change from the unroofed stadiums to sealed off buildings maybe the beginning that tickets were sought.

从露天场馆到建筑转变，就追求门票收入开始。

Silicon Electable Stove are heating instruments often used by factory mines,enterprises,hospitals,college labs.It has tno styles:Openingclosing.

电炉为工矿、企业、医院、大中院校实验室常用加热设备，分为开式和式两种。

Appropriate dilutions were made on tryptone-glucose-yeast extract-agar (Difco) and incubated at 37 C for 48 hr before counting.

这一方法并不影响对在对照纸带上未孢子计数。

The workers see the closure of the pit as the end of the line for mining in this area.

工人们把矿井看作当地采矿业结束。

In certain exemplary embodiments, a closure member might be provided along with a securement mechanism and an opening mechanism.

该系统还设置一件、以及一锁定机构和一打开机构。

Objective To investigate the therapeutic effects of retina tears location and cryoretinopexy seal under direct observation with an surgery microscope.

目观察手术显微镜直视下对视网膜裂孔定位和冷凝疗效。

Regional block in combination with loosening pulvinar tendinous arch is one of the most effective way to treat the cervical headache.

(2)局部配合枕后腱弓松解治疗颈源性头痛有效方法之一。

415 cases of allergic rhinitis were treated with self-made needle and injected triamcinolone acetonide to block the sphenopalatine ganglion through mouth cavity.

变应性鼻炎患者415例,男270例,女145例。用自制针头于口腔径路行曲安奈德蝶腭神经节术。

Many excellent miniature pig breeds exist in China.Miniature pig breeds or resources in China belong to resource breed,outbred colony or inbred strain.

我国具有独特和丰富小型猪资源,我国小型猪品系或资源涉及资源品系、群、近交培育品系等。

The tubes are dumped in bulk into the hopper of a bottle unscrambler, which feeds them into an enclosed rotary volumetric filler.

该管大量倾倒到漏斗一瓶理瓶，其中饲料成一个旋转式容积灌装机。

Objective:To appraise the obturation capability of bonded vertically fractured posterior tooth using 3 different detin adhesive by microleakage tests and scan electron microscopy(SEM) observation.

通过染料渗透实验和扫描电镜观察对三种牙本质粘结剂粘结离体纵折后牙进行微渗漏测试，评价其性。

Conclusions:Light cure pit and fissure sealant technique can be used to treat pit and fissure caries after the cariated dentin has been cleared up.

在彻底清除龋坏牙体组织后用光固化窝沟术以做为磨牙牙 合面窝沟龋预防治疗方法之一。