Introduced in the paper is a newly developed centring - roll system used on rotary pipe mill.介绍了一种用于斜轧钢管生产的新式定心辊装置.Mainly applied in electric control system of masticator, banbury mixer , and other roll mill etc.我需要“密炼机 ...
The ideas in the show's presentation were good, but failed in execution.那场展览陈述的想法很好，但是没能实现。He can let the court's decision stand and permit the execution.他有权维持法庭判决，批准死刑生效。Execution by lethal injection is schedu...
Only a handful had returned to work in the immediate vicinity.仅有几个人回到临近地区工作。A handful of onlookers stand in the field watching.少数几个旁观者站在现场观看。He surveyed the handful of custo-mers at the bar.他打量着吧台那边零星的几个顾客。...
硬脑膜是覆盖在颅骨里面的鳍状物组织.The dural is the fin tissue covering the inside of the skull.它还被一些结缔组织的膜所包裹,这些膜叫做脑膜.It is also encased in membranes of connective tissue called the meninges.各种病毒性因子可引起无菌性脑膜炎或脑膜脑炎.A variety of viral agen...