... 带补充载荷的安全阀 Supplementary loaded safety 带辅助装置的安全阀 Assisted safety 单阀碟双面平行密封闸阀 parallel single disk gate valve ...
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The division assisted the Occupational Safety and Health Council and the Haking Wong Technical Institute in organising training courses for boiler and steam receiver operators.
该科并协助职业安全健康局及黄克竞工业学院,为锅炉及蒸汽容器的操作员举办训练课程。
Objective:To investigate the clinical results of hand-assisted laparoscopic radical nephroureterectomy and evaluate its effectiveness and safety for upper tract transitional cell carcinoma.
目的:评价手助腹腔镜根治性肾输尿管全切术治疗上尿路移行细胞癌的安全性和有效性。
Objective: To evaluate the safety and efficiency of assisted hatching(AH) by different mechanictechnique on mouse embryos in vitro development.
目的:探讨不同机械切口辅助孵化方式对小鼠胚胎体外发育的影响。
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