He balanced precariously on the narrow window-ledge.

A bracelet was precariously placed on the rim of a well.

他把一篮鸡蛋很不安全地顶在头上.

Many of them orbit precariously close to their parent stars, so they scorching hot.

其中许多行星的轨道距其主恒星极近, 因此这些行星是炽热的.

She had grown so luminous even Dorothy, perched on her barrel, was precariously spellbound.

她变得那么容光焕发, 使得站在木桶上的多萝茜给危险地迷住了.

They live precariously on the income from a few small investment.

他们依靠些微投资中的收入,过著朝不保夕的生活.

The precariousness is further increased by self-experiences in the aforementioned marginal situation.

在上述边际情况下自身经验会更进一步增加这种不确定感.

Combined with the construction, the paper introduced the design and application of precast beam inner form.

根据在太祁高速公路晋祠高架桥箱梁预制中的施工情况, 介绍了预制箱梁的内模设计与应用.

Precast girder segment is widely used in the construction of Hong Kong West Railway.

预制梁节在香港西铁的建设中被广泛采用,具有很好的推广前景.

Segments may be precast long enough to reach sufficient strength and maturity.

块件可以在很早就进行预制,以便使块件混凝土达到足够的强度和龄期.

It was made of a large precast concrete panel.

这是由一大型混凝土预制板制成的.

Under the engineering geology conditions in Wuhan, the superiority of precast pile is discussed.

针对武汉地区工程地质条件, 论述了预制桩推广应用的优越性.

For the quality defect of box beam precast concrete treatment, the paper proposed some measures.

针对箱梁预制过程中可能出现的质量缺陷,从砼的配合比设计、板的处理 、 浇筑及养护等方面提出一些解决措施.

Precast neurovascular status in all four extremities should be evaluated.

在上石膏前应估量四肢的神经血管状态.

Technology: iron heating it to good precast bent for the heating requirements.

工艺: 铸铁加热板它把预制好的加热管弯曲成所需要求.

precast concrete slabs

混凝土预制板

The precast concrete piles are used for the foundation of the plant.

基础采用打入式混凝土预制桩基础.

She wrote serious poetry, but also loved composing limericks.

她写严肃题材的诗歌, 但也喜欢创作打油诗.

Products: Precast concrete pipe . Precast concrete pipe.

经营范围: 水泥管预制.

Some of the best fun is in making up your own limericks.

最有趣的是你自己填写五行打油诗的时候.

Precast segmental with matching joints is as among the fastest.

采用镶合缝制块件的分段拼装方法则是其中最快的一种.

Precast concrete blocks are made by pouring unset concrete into a mold allowing it to harden.

混凝土砌块是将拌合好的混凝土浇注在模子中,养护至凝固而制成.