The positive crankcase ventilation valve and gas caps with air-pollution control valves reduce volatile organic compound loss.

The Scavenging system is composed of crankcase, main scavenging passage, sub passage stratifying pipe, reed valve and carburettor.

该分层扫气系统由曲轴箱、主扫气道、副扫气道、分层管、笛簧阀和化油器等组成。

The presence of dispersants and detergents increase the foaming tendency of crankcase oil.

在场的分散剂和洗涤剂增加发泡趋势曲轴箱油。

A: It tastes like crankcase oil, but delicious.

A：这味道有点像汽车里的机油，不过还是很好吃。

Fit bottom line on crankcase with a banjo bolt and two new aluminium seals.

使用一个空心螺栓和两个新的铝制密封件在曲轴箱上安装底部管路。

Research on Fracture Splitting Processing Technology and Equipment of Engine Crankcase Bearing Block

发动机缸体主轴承座裂解加工技术与装备研究

Results: The main causes of encephalic infarction in the youngster were hypertensive cerebral arteriosclerosis, cranium trauma, cerebral arteritis and drinking.

结果：青年脑梗塞的主要病因为高血压脑动脉硬化、头颅外伤、脑动脉炎及饮酒。

Results Abdominal operation was conducted in 13 cases. Cerebral cranium operation was performed in 3 cases. Both abdomen and brain operation were performed in 1 case.

结果本组腹部手术治疗13例，保守治疗19例，颅脑手术治疗3例，实施剖腹及开颅手术1例。

Objective The purpose of this study was to sum up the experience that we rescued patients with abdominal closed injury combined with cerebral cranium injury by operation.

目的为了降低腹部闭合性损伤合并颅脑损伤的死亡率，对本院诊断和治疗本病的经验进行总结。

Diagnosis and Treatment of Abdominal Combined Cerebral Cranium Injury

合并颅脑损伤的腹部外伤诊治

Objective To approach the surgical methods and therapeutic experience of cutting tumors of pineal region via occipital craniotomy.

目的探讨枕部的开颅术切除松果体区肿瘤的手术方法和治疗的经验。

Running with Scissors Methods: Double diagnosis, the improved craniotomy and glossopharyngeal nerve scissors.

方法：采用术前术中双重诊断法、改良经颅舌咽神经切断术、舌咽神经剪进行诊断治疗。对该病做流行病学调查。

Conclusion The appearance of contusion at the periphery or inner of brain stem, trauma of cranial nerves roots, responsive hypertrophy of astrocytes may serve as the evidences of primary injuries on the brain stem.

结论脑干浅表部和/或脑干内部挫伤、颅神经根部损伤及星形胶质细胞反应性增生肥大可作为原发性脑干损伤的诊断依据。

Immunohistochemical Staining of Rabies Virus Antigen in the Cranial Nerve Roots and Dorsal Root Spinal Ganglion in Paraffin Tissue Section

用免疫组织化学法证实人脑神经根、脊髓后根神经节的狂犬病毒抗原

Having a relatively long skull with a cranial index of74.9or less.

长颅的头盖骨指数在74。9或更少的。

Human cranial bone replica manufactured with selective laser sintering technique

应用选区激光烧结技术制作头颅骨快速模型

Material and method in the reconstruction of cranial bone defect with autograft bone

自体骨移植修补颅骨缺损的材料与方法

Cranial bone defect reconstruction: select materials and prevent complications

颅骨缺损修复材料的选择及并发症的防治

Application of various grafts in late cranial bone defect reconstruction

不同移植体修复晚期颅骨缺损56例的疗效分析

Surgical treatment of zygomatic complex fracture combined with cranial bone defect

颧骨复合体骨折伴颅骨缺损的手术治疗

Study on A Fractional Model of Viscoelasticity of Human Cranial Bone

人颅骨粘弹性的分数阶模型研究