SP401, SP450, SP451, SP471, SP481. Description Report Item Specifications: Material: High-quality durable plastic and metal components Compatibility: Fits a wide range of Stihl models including FR350, FR450, FR480, FS400, FS450, FS480, SP400, SP401, SP450, SP451, SP471, SP481 Replace...
*Suitable for Stihl FR350, FR450, FR480, FS400, FS450, FS480,SP400, SP401, SP450, SP451, SP471, SP481.*Replaces NO.: 4128-080-2101*Please Check your model number before buy.Package Includes:1x Recoil Starter AssemblyNote:1.We provide clear pictures, measurements where possible. ...
* เหมาะสำหรับ FR350ที่มีปุ่ม FR450 FR480 FS400 FS450 FS480 SP400 SP401 SP450 SP451 SP471 SP481. * แทนที่ไม่มี : 4128-080-2101 * โปรดตรวจสอบหมายเลข...
*Suitable for Stihl FR350, FR450, FR480, FS400, FS450, FS480,SP400, SP401, SP450, SP451, SP471, SP481.*Replaces NO.: 4128-080-2101*Please Check your model number before buy.Package Includes:1x Recoil Starter AssemblyNote:1.We provide clear pictures, measurements where possible. ...
以推导。【思路分析】 (1)根据W=Gh求出有用功,根据W=Fs求出总 ,再根据 η=(W_(zn))/(W_(sp))*100% 求出机械效率。 (2)钩码的悬挂点在A点时,由于杠杆的重力会阻碍杠杆转动,则由杠杆的平衡条件得 G⋅OA+G_(B+F)⋅1/2OC=F⋅OC ;悬挂点移至B点时,由杠杆的平衡条件得 G⋅OB+G...
以推导。【思路分析】 (1)根据W=Gh求出有用功,根据W=Fs求出总 ,再根据 η=(W_(fn))/(W_(sp))*100% 出机械效率。 (2)钩码的悬挂点在A点时,由于杠杆的重力会阻碍杠杆转动,则由杠杆的平衡条件得 G⋅OA+G_(BA)⋅1/2OC=F⋅OC ;悬挂点移至B点时,由杠杆的平衡条件得 G⋅OB+G_11...
摘要 标准化病人(SP)已广泛运用于医学教育与考试中,但规范有效的培训方式尚是热点之一.根据我院实施情况,结合文献,探讨"标准化病人"分别作为"提供病史和体格检查者","评估者"和"教师"所应采取的培训形式,以促进SP参与医学教育应用的发展... 关键词标准化病人 / 标准化病人的...
FS480K SP450 SP480 SP481 Package Contents: 1 x Ignition Coil 1 x Spark Plug Sold by ICOOYO ICooYo Motor Parts Store Official Store(Trader) Ship to Canada AliExpress commitment Shipping: US $3.21 Delivery:Mar. 24 - Apr. 03 Fast delivery ...
FS/KM/FC/FR/KM/BT/HL/HT/SP-90-100-110-130 -91-101-111-131 etc. CROSS REFERENCE: --- REPLACES / OEM PART#(S):STIHL4180-030-1800 PACKAGE INCLUDES: --- 1 X CAM SHAFT / wheel/ gear THE PICTURES CAN TELL MORE THEN WE CAN...
[答案](1)绳子自由端移动的距离s=3h=3×1m=3m(2)滑轮组机械效率W有Ghn×100%=-×100%=75%W总Fs(3)拉力的功率W总_FFsP==120Wtt 相关知识点: 试题来源: 解析 [解析](1)绳子自由端移动的距离s=3h=3×1m=3m(2)滑轮组机械效率W有-|||-Gh-|||-n-|||-×100%=-×100%=75%-|||-W总-...