You make one hundred dollar an hour, you get a safty pinholding the boot up?
你一个小时挣一百美元,那你的鞋洞还用别针补起来?
2
Effects of holding time on ZL102 liquid aluminum alloy quality in practical production were studied. Relation between holding time and modification effect and pin-porosity was approached.
The built-in float pin rod comprises a hard and a soft slide rod, and moves only in the hollow holding handle, the bending spring, and the hollow casing for the rod body.