必要时

When required, meets and escorts guests to their rooms, explaining all in house and room facilities.

必要时恭迎并陪同客人至房间，介绍酒店和房间内的设施。

72 When necessary, written procedures should be established for the use of suitable rodenticides, insecticides, fungicides, fumigating agents, and cleaning and sanitizing agents to prevent the contamination of equipment, raw materials, packaging/labeling materials, intermediates, and APIs.

4.72 必要时，还应当对合适的灭鼠药，杀虫剂，杀真菌剂，烟熏剂和清洁消毒剂的使用制定书面程序，以避免对设备，原料，包装/标签，中间体和原料药的污染。

And more likely to turn before hoofing ball clear when necessary.

更可能把前h oofing球显然在必要时配合。

More vaccine will become available over time, allowing more people to be immunized, if necessary.

随着时间的推移，中国将生产出更多流感疫苗，从而在必要时可以给更多的人接种。

Neither is the company shy of litigating when necessary, he says.

另外他还强调，公司在必要时一定会采取法律手段。

Dissecting the gallbladder wall for inspection and palpating the mucosa is useful for the diagnosis of incidental gallbladder carlinoma,and when necessary,histopathologic examination should be performed LC for PT1 gallbladder cancer needs no additional treatment,however,wedge resection of liver bed tissue and district lymphaden for PT2 patients is recommended,Conversion to the open procedure and radical operation or palliative operation for PT3 is prefered

所有病例均未见脐部戳孔处肿瘤种植转移。结论：LC术中应常规切开胆囊标本，必要时送术中冰冻。PT1单纯切除胆囊已足够；PT2要额外楔形切除肝组织及区域淋巴结；PT3中转开腹，行根治手术或姑息手术。

Several factors cause dRTA,and the clinical characteristic is varied;we should think it over before perorating,make needling biopsy of kidney if necessarily,in order to diagnosis and therapy earlier,to prevent renal function worsening.

因素能引起远段肾小管性酸中毒，其临床表现多样，临床上应全面判断，必要时行肾穿刺活检，争取早期诊断早期治疗，以防止肾功能进行性恶化。

Several factors cause dRTA,and the clinical characteristic is varied;we should think it over before perorating,make needling biopsy of kidney if necessarily,in order to diagnosis and therapy earlier,to prevent renal function worsening.

多种因素能引起远段肾小管性酸中毒，其临床表现多样，临床上应全面判断，必要时行肾穿刺活检，争取早期诊断早期治疗，以防止肾功能进行性恶化。

I could not be absorbed in primping merely. It is necessary for me to intercede the back-fence dissension.

我不能埋首妆饰而不管这些尘世俗务和王家义务，必要时我还得调解邻里纠纷。

After installation of the fan ring the roundness has to be checked again and realigned if necessary.

风筒安装完成后，其圆度需重新检查，必要时重新找正。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。