The front of the walker is lined with four ball-turret laser cannons, while a single heavy projectile cannon is turret-mounted on the vehicle's dorsal surface.
步行机的前部排列着四座激光球型炮塔，一门单独的重型榴弹炮安装在步行机脊背表面的炮塔上。
Authors reequiped a Four - ball Tester as for contact fatigue tester and carried out a series of tests to study the effect of additives on 45 steel contact fatigue.
作者将四球机改装成接触疲劳试验机，并在其上进行了一系列添加剂对接触疲劳的影响试验研究。
Their antiwear and extreme pressure properties in rapeseed oil and water were tested on the four-ball tester.
通过四球试验机考察了它们在菜籽油和水中的抗磨性能与极压性能。
Its lubrication properties in water were evaluated using a four-ball machine.
利用四球试验机考察了水溶性抗磨剂在水中的润滑性能。
The effect of the alkyl carbon structure of Cadmium Dialkyldithiophosphate additive on its EP and antiwear properties is investigated by four-ball tester.
利用四球试验机考察了烷基结构对硫磷酸镉添加剂的极压抗磨性能的影响。
Typical samples were tested and characterized by four-ball tester, optical microscope, XRD and SEM observation.
采用四球试验机、光学显微镜、XRD、SEM等分析手段进行了测试与表征。
The self - repair performance of micron copper in grease is evaluated with four - ball tester.
通过四球试验评价了微米铜在润滑脂中的自修复作用。
The self - repair performance of micron copper in grease is evaluated with four - ball tester.
通过四球试验，考察了微米铜粉在润滑脂中的摩擦学行为和抗磨性。
Their anti-wear and extreme pressure properties in rapeseed base oil and mineral base oil were tested on the four-ball tester.
通过四球试验机考察了它们在菜籽油和矿物油中的抗磨性能与极压性能；
The four-ball machine test showed that the suspension possessed good extreme pressure performance and common antiwear performance; and had no effect on the friction coefficient by the MTM test.
四球试验结果表明，该悬浮液具有较好的极压性能，抗磨性能一般，MTM试验显示该悬浮液对摩擦系数影响不大。
The tribological properties and the anti-wear of micron coppers inside greases were investigated by four-ball test.
通过四球试验，考察了软金属微米铜粉在润滑脂中的摩擦学行为和抗磨性。
In addition, the tribological properties of nanocrystalline Pb powders were tested with a four-ball machine.
另外，在四球试验机上考察了铅纳米晶的摩擦学性能。
The tribological properties and the anti-wear of micron copper powder in greases are investigated by four-ball test.
通过四球试验 ，考察了软金属微米铜粉在润滑脂中的摩擦学行为和抗磨性。
The tribological properties and the anti-wear of micron coppers inside greases were investigated by four-ball test.
通过四球试验，考察了微米铜粉在润滑脂中的摩擦学行为和抗磨性。
The tribological properties and the anti-wear of micron copper powder in greases are investigated by four-ball test.
通过四球试验，考察了微米铜粉在润滑脂中的摩擦学行为和抗磨性。
Four-ball wear test indicated, the borate ester and ZDDP additive are antiwear synergistic, which is much useful in developing low-phosphorus engine oils.
四球长磨实验还表明，该硼酸酯添加剂与ZDDP类添加剂具有优秀的抗磨协同作用，这对研制低磷发动机油具有重要的意义。
Tribological properties of aluminum borate nanoparticles as additives in aqueous solution were measured by four-ball tribotester, and the worn surfaces of the steel ball were analyzed by SEM.
结果表明：硼酸铝纳米微粒作为水基添加剂能显著提高纯水的承载能力和抗磨减摩性能。
Tribological properties of aluminum borate nanoparticles as additives in aqueous solution were measured by four-ball tribotester, and the worn surfaces of the steel ball were analyzed by SEM.
结果表明：硼酸铝纳米微粒作为水基添加剂能显著提高纯水的承载能力和抗磨减摩性能。
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